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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 $440 NZD
As of November 4, 2026
Save $2,895 NZD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,335 NZD at Brilliant Earth · As of November 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 November 3, 2026, with prices from $440 to $3,335, a $2,895 spread on the same certified stone. Brilliant Earth lists it at $3,335. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,335 NZD|Low: $440 NZD|High: $3,335 NZD|Avg: $1,360 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 10$440 NZD
Retailer 12$488 NZD
Retailer 5$656 NZD
Retailer 6$797 NZD
Retailer 7$841 NZD
Retailer 3$1,558 NZD
Retailer 4$1,577 NZD
Retailer 9$1,660 NZD
Retailer 2$1,948 NZD
Retailer 8$2,241 NZD
Retailer 11$2,315 NZD
Brilliant Earth$3,335 NZD

30 data points across 12 retailers

12 retailers$440 NZD to $3,335 NZD

A
Cheapest Retailer
-
$440 NZD
Final sale: no returns
Retailer 2
-
$488 NZD
View
Price last confirmed 24 days ago
B+
Retailer 3
-
$656 NZD
View
A
Retailer 4
-
$797 NZD
View
A
Retailer 5
-
$841 NZD
View
Retailer 6
-
$1,577 NZD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$1,590 NZD
View
B+
Retailer 8
-
$1,660 NZD
View
B+
Retailer 9
-
$1,948 NZD
View
B+
Retailer 10
-
$2,241 NZD
View
Retailer 11
-
$2,315 NZD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
22479669A · Nov 3
$3,335 NZD
$1,880 USD
View
11 more retailers have this diamond
Prices start from $440 NZDSave up to $2,895 NZD

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
$440 NZD