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Round|Lab Grown|IGI

1.51ct E VVS2 Round Lab Grown Diamond

ID • E/VVS2 • IGI LG781631379

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781631379

Diamond specifications and retailer prices

From $459 NZD
As of November 5, 2026
Save $1,994 NZD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,238 NZD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG781631379 or 781631379. Listed at 24 retailers as of November 5, 2026, with a 434% 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
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781631379
Dimensions7.38 × 7.44 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm7.44 mm1.51 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781631379
Side View
Table 55.0%Crown 33.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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 5
Current: $3,238 NZD|Low: $441 NZD|High: $3,398 NZD|Avg: $1,201 NZD|-4.7%
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
November 6, 2026
Retailer 5$459 NZD
Retailer 4$534 NZD
Retailer 3$569 NZD
Retailer 6$569 NZD
Retailer 7$637 NZD
Retailer 12$854 NZD
Retailer 2$866 NZD
Retailer 15$927 NZD
Retailer 14$984 NZD
Retailer 9$1,067 NZD
Retailer 13$1,334 NZD
Retailer 10$1,478 NZD
Retailer 16$1,832 NZD
Retailer 8$2,241 NZD
Retailer 11$2,277 NZD
Brilliant Earth$3,238 NZD

35 data points across 16 retailers

24 retailers$459 NZD to $2,453 NZD

A
Cheapest Retailer
-
$459 NZD
A
Retailer 2
-
$512 NZD
View
Final sale: no returns
A
Retailer 3
-
$534 NZD
View
A
Retailer 4
-
$569 NZD
View
Retailer 5
-
$569 NZD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$637 NZD
View
B+
Retailer 7
-
$768 NZD
View
A
Retailer 8
-
$854 NZD
View
A
Retailer 9
-
$866 NZD
View
A
Retailer 10
-
$889 NZD
View
Retailer 11
-
$927 NZD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$984 NZD
View
B+
Retailer 13
-
$1,067 NZD
View
B+
Retailer 14
-
$1,171 NZD
View
B+
Retailer 15
-
$1,334 NZD
View
B+
Retailer 16
-
$1,478 NZD
View
B
Retailer 17
-
$1,765 NZD
View
B
Retailer 18
-
$1,832 NZD
View
B
Retailer 19
-
$1,871 NZD
View
B
Retailer 20
-
$1,923 NZD
View
B
Retailer 21
-
$2,241 NZD
View
B
Retailer 22
-
$2,277 NZD
View
B
Retailer 23
-
$2,453 NZD
View
Most Expensive
Brilliant Earth
20979994A · Oct 27
$3,238 NZD
$1,820 USD
View
Price last confirmed 9 days ago
23 more retailers have this diamond
Prices start from $459 NZDSave up to $1,994 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 Round
$459 NZD