Cushion|Lab Grown|IGI

1.51ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG837681197

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG837681197

Diamond specifications and retailer prices

From $514 NZD
As of November 4, 2026
Save $1,916 NZD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,430 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837681197 or 837681197. Listed at 17 retailers as of November 4, 2026, with prices from $514 to $2,430, a $1,916 spread on the same certified stone. Brilliant Earth lists it at $2,430. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837681197
Dimensions6.59 × 6.58 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.59 mm6.58 mm1.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837681197
Side View
Table 61.0%Crown 35.4°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 68.7%

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 4
Current: $2,430 NZD|Low: $454 NZD|High: $3,158 NZD|Avg: $1,326 NZD|-23.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 4, 2026
Retailer 7$454 NZD
Retailer 4$514 NZD
Retailer 2$552 NZD
Retailer 15$795 NZD
Retailer 17$827 NZD
Retailer 13$837 NZD
Retailer 10$892 NZD
Retailer 16$898 NZD
Retailer 12$1,132 NZD
Retailer 11$1,311 NZD
Retailer 8$1,572 NZD
Retailer 9$1,597 NZD
Retailer 6$1,653 NZD
Retailer 14$1,944 NZD
Retailer 3$1,974 NZD
Retailer 5$2,233 NZD
Brilliant Earth$2,430 NZD

35 data points across 17 retailers

17 retailers$514 NZD to $2,430 NZD

Retailer 1
-
$454 NZD
Price last confirmed 11 days ago
A
Retailer 2
-
$514 NZD
View
Final sale: no returns
A
Retailer 3
-
$552 NZD
View
A
Retailer 4
-
$795 NZD
View
A
Retailer 5
-
$827 NZD
View
A
Retailer 6
-
$837 NZD
View
A
Retailer 7
-
$892 NZD
View
A
Retailer 8
-
$898 NZD
View
A
Retailer 9
-
$1,132 NZD
View
B+
Retailer 10
-
$1,311 NZD
View
Retailer 11
-
$1,572 NZD
View
Price last confirmed 28 days ago
Retailer 12
-
$1,597 NZD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$1,653 NZD
View
B
Retailer 14
-
$1,944 NZD
View
B
Retailer 15
-
$1,974 NZD
View
B
Retailer 16
-
$2,233 NZD
View
Most Expensive
B
Brilliant Earth
22475414A · Nov 4
$2,430 NZD
$1,370 USD
View
16 more retailers have this diamond
Prices start from $514 NZDSave up to $1,916 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 Cushion
$514 NZD