Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG743574650

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG743574650

Diamond specifications and retailer prices

From $198 USD
As of November 4, 2026
Save $2,122 USD (91%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $2,320 USD at Yadav Diamonds · As of November 4, 2026
View at Yadav Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG743574650 or 743574650. Listed at 28 retailers as of November 4, 2026, with prices from $198 to $2,320, a $2,122 spread on the same certified stone. Yadav Diamonds lists it at $2,320. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743574650
Dimensions7.67 × 5.46 × 3.67 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.67 mm5.46 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743574650
Side View
Table 65.0%Crown 39.8°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $499 USD|Low: $190 USD|High: $1,990 USD|Avg: $712 USD|+3.7%
Retailer 1
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Retailer 18
November 4, 2026
Retailer 3$198 USD
Retailer 8$230 USD
Retailer 4$246 USD
Retailer 9$246 USD
Retailer 16$438 USD
Retailer 13$468 USD
Retailer 1$499 USD
Retailer 10$568 USD
Retailer 12$663 USD
Retailer 18$793 USD
Retailer 5$872 USD
Retailer 11$896 USD
Retailer 6$993 USD
Retailer 17$1,065 USD
Retailer 2$1,066 USD
Retailer 14$1,087 USD
Retailer 7$1,310 USD
Retailer 15$1,990 USD

44 data points across 18 retailers

28 retailers$198 USD to $2,320 USD

A
Cheapest Retailer
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$198 USD
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Retailer 2
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$221 USD
View
Final sale: no returns
A
Retailer 3
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$230 USD
View
Retailer 4
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$246 USD
View
Price last confirmed 10 days ago
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Retailer 5
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$246 USD
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B+
Retailer 6
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$330 USD
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A
Retailer 7
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$438 USD
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A
Retailer 8
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$468 USD
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A
Retailer 9
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$499 USD
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A
Retailer 10
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$500 USD
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B+
Retailer 11
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$568 USD
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B+
Retailer 12
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$663 USD
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B+
Retailer 13
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$793 USD
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B+
Retailer 14
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$872 USD
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B+
Retailer 15
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$896 USD
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B+
Retailer 16
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$899 USD
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B+
Retailer 17
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$993 USD
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B
Retailer 18
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$1,044 USD
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Retailer 19
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$1,065 USD
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Price last confirmed 17 days ago
B
Retailer 20
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$1,066 USD
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B+
Retailer 21
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$1,087 USD
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B
Retailer 22
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$1,188 USD
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B
Retailer 23
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$1,310 USD
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B
Retailer 24
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$1,690 USD
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B
Retailer 25
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$1,690 USD
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B
Retailer 26
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$1,900 USD
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B
Retailer 27
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$1,990 USD
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Most Expensive
B
Yadav Diamonds
13210009 · Nov 4
$2,320 USD
View
27 more retailers have this diamond
Prices start from $198 USDSave up to $2,122 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.28ct Radiant
$198 USD