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1.0-1.25
Cushion
DEF
VSI
IGI
NO
White
Round
This Cushion Cut loose diamond series (ranging from 1ct to 3ct) leverages HPHT-CVD hybrid technology to master the "pillow cut" legacy—a style favored for iconic diamonds like the Hope Diamond and Regent Diamond, and now a top choice for young couples (30% of engagement ring buyers opt for cushion cuts ). With IGI certification, it balances HPHT’s dominance in the affordable luxury market (holding a 58% share for stones under 1ct) and CVD’s excellence in producing high-purity 2-3ct stones—making it versatile for everyday jewelry (e.g., stackable rings) and milestone gifts (e.g., 3ct anniversary diamonds).
Material | Shape | Size (mm) | Weight (CT) | Color | Clarity | IGI NO. |
HPHT | Cushion Cut | 5.81×5.66×3.87 | 1.01 | E | VS1 | LG605356139 |
HPHT | Cushion Cut | 5.74×5.62×3.75 | 1.01 | D | VS1 | LG618491041 |
HPHT | Cushion Cut | 5.62×5.61×3.95 | 1.02 | F | VS1 | LG605384482 |
HPHT | Cushion Cut | 5.90×5.82×3.56 | 1.02 | E | VVS2 | LG618491044 |
CVD | Cushion Cut | 6.5×5.31×3.49 | 1.04 | D | VS2 | LG597389105 |
HPHT | Cushion Cut | 5.80×5.67×3.65 | 1.05 | D | VVS1 | LG618491040 |
HPHT | Cushion Cut | 5.86×5.84×3.70 | 1.05 | D | VVS2 | LG618491046 |
HPHT | Cushion Cut | 5.99×5.60×3.75 | 1.06 | D | VVS2 | LG613357398 |
CVD | Cushion Cut | 6.31×5.57×3.62 | 1.07 | D | VS1 | LG597389106 |
HPHT | Cushion Cut | 6.05×5.82×3.77 | 1.1 | D | VVS2 | LG618491047 |
CVD | Cushion Cut | 5.86×5.84×4.03 | 1.12 | G | VVS2 | LG572372237 |
CVD | Cushion Cut | 8.18×7.81×5.62 | 3.02 | E | VS1 | LG608399048 |
CVD | Cushion Cut | 8.45×8.21×5.48 | 3.21 | F | VVS2 | LG602340680 |
Technology Synergy: Tailors the growth process to carat weight: 1-2ct stones use HPHT (with a growth rate of 0.2-0.5ct per hour) to achieve vibrant D-E color, while 2-3ct stones adopt CVD to maintain Type IIa purity (reducing inclusions by 70% compared to single-technology stones). This ensures consistent quality across the 1-3ct range, avoiding the "quality drop" common in large-carat lab-grown diamonds.
Vintage Cut Craft: Features a classic cushion cut with 58 facets—including a small table (50-55% of the stone’s diameter) and large lower facets that create warm, soft fire (vs. the bright sparkle of round cuts). The rounded corners (a signature of the "pillow" shape) are polished to a smooth finish, reducing chipping risk and enhancing comfort for daily wear. Diameters range from 6.49mm (1ct) to 9.36mm (3ct), with depth ratios optimized for each size to prevent a "flat" or "deep" appearance.
Grade Consistency: Maintains a minimum VS clarity grade across all carat weights, with HPHT-grown 1-2ct stones containing <50ppm metal inclusions (well below the industry limit of 100ppm). The color range (F-J) is curated to suit diverse preferences—F-H for near-colorless buyers, and I-J for those seeking warmer, vintage-inspired tones—all with Excellent polish and symmetry grades (IGI’s top ratings for finish).
Technical Assurance: Undergoes IGI’s DiamondView testing, which uses UV light to map the stone’s growth pattern—confirming layer growth (a CVD hallmark) for 2-3ct stones and stress patterns (an HPHT hallmark) for 1-2ct stones. This testing also verifies no post-growth treatments, ensuring the diamond’s quality is permanent and recognized by insurers.
Value Proposition: Offers a 30-50% price advantage over mined cushion cut diamonds of the same 4C grade—e.g., a 2ct F-VS cushion cut lab-grown diamond costs ~8,000, vs. ~15,000 for a mined equivalent. It also matches mined diamonds in physical properties (hardness, thermal conductivity, refractive index), ensuring it looks and feels identical to the naked eye and under professional testing.
Certification: Includes an IGI loose diamond report with a detailed 4C breakdown, origin verification, and a "growth method" section (specifying HPHT for 1-2ct or CVD for 2-3ct). The report is accepted by major jewelry insurers (e.g., Jewelers Mutual) for coverage up to the stone’s full appraised value.
Custom Options: Provides free setting design with no CAD fees, including a wide range of metal choices (10k/14k/18k gold in white, yellow, or rose; platinum; palladium) and setting styles (solitaire, halo, three-stone). Our team offers "mix-and-match" consultations—e.g., pairing a 1ct cushion cut with pear-shaped accent stones for a modern look.
Logistics: Ships in secure, tamper-proof packaging (with insurance coverage up to the stone’s value) and requires email confirmation of the delivery address before processing—preventing shipping errors. For international orders, we handle all customs documentation (e.g., import declarations for gemstones) to ensure smooth delivery, with daily tracking updates.
This Cushion Cut loose diamond series (ranging from 1ct to 3ct) leverages HPHT-CVD hybrid technology to master the "pillow cut" legacy—a style favored for iconic diamonds like the Hope Diamond and Regent Diamond, and now a top choice for young couples (30% of engagement ring buyers opt for cushion cuts ). With IGI certification, it balances HPHT’s dominance in the affordable luxury market (holding a 58% share for stones under 1ct) and CVD’s excellence in producing high-purity 2-3ct stones—making it versatile for everyday jewelry (e.g., stackable rings) and milestone gifts (e.g., 3ct anniversary diamonds).
Material | Shape | Size (mm) | Weight (CT) | Color | Clarity | IGI NO. |
HPHT | Cushion Cut | 5.81×5.66×3.87 | 1.01 | E | VS1 | LG605356139 |
HPHT | Cushion Cut | 5.74×5.62×3.75 | 1.01 | D | VS1 | LG618491041 |
HPHT | Cushion Cut | 5.62×5.61×3.95 | 1.02 | F | VS1 | LG605384482 |
HPHT | Cushion Cut | 5.90×5.82×3.56 | 1.02 | E | VVS2 | LG618491044 |
CVD | Cushion Cut | 6.5×5.31×3.49 | 1.04 | D | VS2 | LG597389105 |
HPHT | Cushion Cut | 5.80×5.67×3.65 | 1.05 | D | VVS1 | LG618491040 |
HPHT | Cushion Cut | 5.86×5.84×3.70 | 1.05 | D | VVS2 | LG618491046 |
HPHT | Cushion Cut | 5.99×5.60×3.75 | 1.06 | D | VVS2 | LG613357398 |
CVD | Cushion Cut | 6.31×5.57×3.62 | 1.07 | D | VS1 | LG597389106 |
HPHT | Cushion Cut | 6.05×5.82×3.77 | 1.1 | D | VVS2 | LG618491047 |
CVD | Cushion Cut | 5.86×5.84×4.03 | 1.12 | G | VVS2 | LG572372237 |
CVD | Cushion Cut | 8.18×7.81×5.62 | 3.02 | E | VS1 | LG608399048 |
CVD | Cushion Cut | 8.45×8.21×5.48 | 3.21 | F | VVS2 | LG602340680 |
Technology Synergy: Tailors the growth process to carat weight: 1-2ct stones use HPHT (with a growth rate of 0.2-0.5ct per hour) to achieve vibrant D-E color, while 2-3ct stones adopt CVD to maintain Type IIa purity (reducing inclusions by 70% compared to single-technology stones). This ensures consistent quality across the 1-3ct range, avoiding the "quality drop" common in large-carat lab-grown diamonds.
Vintage Cut Craft: Features a classic cushion cut with 58 facets—including a small table (50-55% of the stone’s diameter) and large lower facets that create warm, soft fire (vs. the bright sparkle of round cuts). The rounded corners (a signature of the "pillow" shape) are polished to a smooth finish, reducing chipping risk and enhancing comfort for daily wear. Diameters range from 6.49mm (1ct) to 9.36mm (3ct), with depth ratios optimized for each size to prevent a "flat" or "deep" appearance.
Grade Consistency: Maintains a minimum VS clarity grade across all carat weights, with HPHT-grown 1-2ct stones containing <50ppm metal inclusions (well below the industry limit of 100ppm). The color range (F-J) is curated to suit diverse preferences—F-H for near-colorless buyers, and I-J for those seeking warmer, vintage-inspired tones—all with Excellent polish and symmetry grades (IGI’s top ratings for finish).
Technical Assurance: Undergoes IGI’s DiamondView testing, which uses UV light to map the stone’s growth pattern—confirming layer growth (a CVD hallmark) for 2-3ct stones and stress patterns (an HPHT hallmark) for 1-2ct stones. This testing also verifies no post-growth treatments, ensuring the diamond’s quality is permanent and recognized by insurers.
Value Proposition: Offers a 30-50% price advantage over mined cushion cut diamonds of the same 4C grade—e.g., a 2ct F-VS cushion cut lab-grown diamond costs ~8,000, vs. ~15,000 for a mined equivalent. It also matches mined diamonds in physical properties (hardness, thermal conductivity, refractive index), ensuring it looks and feels identical to the naked eye and under professional testing.
Certification: Includes an IGI loose diamond report with a detailed 4C breakdown, origin verification, and a "growth method" section (specifying HPHT for 1-2ct or CVD for 2-3ct). The report is accepted by major jewelry insurers (e.g., Jewelers Mutual) for coverage up to the stone’s full appraised value.
Custom Options: Provides free setting design with no CAD fees, including a wide range of metal choices (10k/14k/18k gold in white, yellow, or rose; platinum; palladium) and setting styles (solitaire, halo, three-stone). Our team offers "mix-and-match" consultations—e.g., pairing a 1ct cushion cut with pear-shaped accent stones for a modern look.
Logistics: Ships in secure, tamper-proof packaging (with insurance coverage up to the stone’s value) and requires email confirmation of the delivery address before processing—preventing shipping errors. For international orders, we handle all customs documentation (e.g., import declarations for gemstones) to ensure smooth delivery, with daily tracking updates.
