Radiant|Lab Grown|IGI

1.28ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG751511602

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

Certificate IGI LG751511602

Diamond specifications and retailer prices

From $206 USD
As of October 27, 2026
Save $1,774 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,980 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG751511602 or 751511602. Listed at 15 retailers as of October 27, 2026, with prices from $206 to $1,980, a $1,774 spread on the same certified stone. Do Amore Diamonds lists it at $1,980. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751511602
Dimensions7.66 × 5.32 × 3.64 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.66 mm5.32 mm1.28 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751511602
Side View
Table 65.0%Crown 44.7°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,980 USD|Low: $206 USD|High: $1,980 USD|Avg: $646 USD
Do Amore Diamonds
Retailer 2
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Retailer 19
October 29, 2026
Retailer 17$206 USD
Retailer 4$239 USD
Retailer 6$255 USD
Retailer 14$255 USD
Retailer 13$339 USD
Retailer 19$387 USD
Retailer 7$400 USD
Retailer 3$442 USD
Retailer 2$525 USD
Retailer 18$577 USD
Retailer 9$675 USD
Retailer 10$797 USD
Retailer 16$824 USD
Retailer 8$880 USD
Retailer 5$906 USD
Retailer 15$959 USD
Retailer 11$1,113 USD
Retailer 12$1,135 USD
Do Amore Diamonds$1,980 USD

27 data points across 19 retailers

15 retailers$206 USD to $1,980 USD

A
Cheapest Retailer
-
$206 USD
A
Retailer 2
-
$239 USD
View
A
Retailer 3
-
$255 USD
View
A
Retailer 4
-
$339 USD
£267 GBP
View
A
Retailer 5
-
$387 USD
View
A
Retailer 6
-
$442 USD
View
B+
Retailer 7
-
$525 USD
£413 GBP
View
B+
Retailer 8
-
$577 USD
View
B+
Retailer 9
-
$675 USD
View
Price last confirmed 31 days ago
B
Retailer 10
-
$824 USD
View
B
Retailer 11
-
$845 USD
View
Price last confirmed 31 days ago
B
Retailer 12
-
$906 USD
View
B
Retailer 13
-
$959 USD
CA$1,331 CAD
View
B
Retailer 14
-
$1,135 USD
£894 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3CCAA07FA · Oct 29
$1,980 USD
View
14 more retailers have this diamond
Prices start from $206 USDSave up to $1,774 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
$206 USD