Radiant|Lab Grown|IGI

1.51ct H VVS2 Radiant Lab Grown Diamond

ID • H/VVS2 • IGI LG650418656

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

Certificate IGI LG650418656

Diamond specifications and retailer prices

From $458 NZD
As of November 1, 2026
Save $1,440 NZD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,898 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 H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG650418656 or 650418656. Listed at 18 retailers as of November 1, 2026, with prices from $458 to $1,898, a $1,440 spread on the same certified stone. Brilliant Earth lists it at $1,898. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650418656
Dimensions8.01 × 5.83 × 3.88 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.01 mm5.83 mm1.51 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650418656
Side View
Table 62.0%Crown 40.9°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 66.6%

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 1
Current: $1,898 NZD|Low: $367 NZD|High: $2,040 NZD|Avg: $1,062 NZD|-7.0%
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
November 3, 2026
Retailer 15$369 NZD
Retailer 3$413 NZD
Retailer 12$428 NZD
Retailer 7$474 NZD
Retailer 11$617 NZD
Retailer 13$786 NZD
Retailer 2$832 NZD
Retailer 14$873 NZD
Retailer 10$910 NZD
Retailer 5$1,068 NZD
Retailer 9$1,185 NZD
Retailer 6$1,526 NZD
Retailer 4$1,565 NZD
Retailer 8$1,833 NZD
Brilliant Earth$1,898 NZD

30 data points across 15 retailers

18 retailers$458 NZD to $1,898 NZD

Retailer 1
-
$369 NZD
Price last confirmed 9 days ago
Retailer 2
-
$428 NZD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$458 NZD
View
Retailer 4
-
$474 NZD
View
Price last confirmed 11 days ago
Retailer 5
-
$474 NZD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$617 NZD
View
Retailer 7
-
$786 NZD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$832 NZD
View
A
Retailer 9
-
$873 NZD
View
A
Retailer 10
-
$910 NZD
View
Retailer 11
-
$1,068 NZD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$1,185 NZD
View
Retailer 13
-
$1,526 NZD
View
Price last confirmed 11 days ago
Retailer 14
-
$1,526 NZD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
$1,565 NZD
View
B+
Retailer 16
-
$1,833 NZD
View
B
Retailer 17
-
$1,880 NZD
View
Most Expensive
B
Brilliant Earth
13097777A · Nov 3
$1,898 NZD
$1,070 USD
View
17 more retailers have this diamond
Prices start from $458 NZDSave up to $1,440 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
$458 NZD