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Radiant|Lab Grown|IGI

1.51ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG837658926

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

Certificate IGI LG837658926

Diamond specifications and retailer prices

From $248 USD
As of November 3, 2026
Save $1,057 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,650 USD at Brilliant Earth · As of October 3, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837658926 or 837658926. Listed at 12 retailers as of October 28, 2026, with a 426% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837658926
Dimensions6.50 × 6.48 × 4.14 mm
L/W Ratio1.00
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
6.50 mm6.48 mm1.51 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837658926
Side View
Table 65.0%Crown 41.9°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
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: Nov 3
Current: $1,102 USD|Low: $248 USD|High: $1,320 USD|Avg: $757 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9$248 USD
Retailer 11$275 USD
Retailer 4$449 USD
Retailer 6$468 USD
Retailer 5$475 USD
Retailer 2$878 USD
Retailer 3$889 USD
Retailer 8$937 USD
Retailer 1$1,102 USD
Retailer 7$1,263 USD
Retailer 10$1,305 USD

27 data points across 11 retailers

12 retailers$248 USD to $1,305 USD

A
Cheapest Retailer
-
$248 USD
Final sale: no returns
Retailer 2
-
$275 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$449 USD
€428 EUR
View
A
Retailer 4
-
$468 USD
View
A
Retailer 5
-
$475 USD
ZAR 7,671 ZAR
View
Retailer 6
-
$889 USD
SGD 1,202 SGD
View
Price last confirmed 23 days ago
B+
Retailer 7
-
$896 USD
View
B+
Retailer 8
-
$937 USD
View
B+
Retailer 9
-
$1,102 USD
£868 GBP
View
B+
Retailer 10
-
$1,263 USD
View
B
Retailer 11
-
$1,305 USD
View
Most Expensive
Brilliant Earth
21473755A · Oct 3
$2,650 USD
View
Price last confirmed 30 days ago
11 more retailers have this diamond
Prices start from $248 USDSave up to $1,057 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
1.51ct Radiant
$248 USD