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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG818620902

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

Certificate IGI LG818620902

Diamond specifications and retailer prices

From $539 NZD
As of November 4, 2026
Save $4,251 NZD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,790 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818620902 or 818620902. Listed at 25 retailers as of November 4, 2026, with prices from $539 to $4,790, a $4,251 spread on the same certified stone. Do Amore Diamonds lists it at $4,790. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818620902
Dimensions8.20 × 5.40 × 3.79 mm
L/W Ratio1.52
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.40 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818620902
Side View
Table 67.0%Crown 51.2°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 70.2%

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: $4,790 NZD|Low: $445 NZD|High: $4,790 NZD|Avg: $1,621 NZD|+21.1%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 22
November 5, 2026
Retailer 3$539 NZD
Retailer 10$603 NZD
Retailer 8$626 NZD
Retailer 20$669 NZD
Retailer 21$669 NZD
Retailer 5$747 NZD
Retailer 13$820 NZD
Retailer 6$892 NZD
Retailer 7$949 NZD
Retailer 4$1,261 NZD
Retailer 17$1,272 NZD
Retailer 2$1,311 NZD
Retailer 16$1,735 NZD
Retailer 19$1,877 NZD
Retailer 22$2,056 NZD
Retailer 14$2,374 NZD
Retailer 15$2,402 NZD
Retailer 12$2,571 NZD
Retailer 9$2,657 NZD
Retailer 11$2,753 NZD
Retailer 18$2,959 NZD
Do Amore Diamonds$4,790 NZD

23 data points across 22 retailers

25 retailers$539 NZD to $4,790 NZD

A
Cheapest Retailer
-
$539 NZD
A
Retailer 2
-
$603 NZD
View
Final sale: no returns
A
Retailer 3
-
$626 NZD
View
A
Retailer 4
-
$669 NZD
View
Retailer 5
-
$669 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$747 NZD
View
A
Retailer 7
-
$820 NZD
View
A
Retailer 8
-
$892 NZD
View
B+
Retailer 9
-
$949 NZD
View
B+
Retailer 10
-
$1,261 NZD
View
B+
Retailer 11
-
$1,272 NZD
View
B+
Retailer 12
-
$1,311 NZD
View
B
Retailer 13
-
$1,735 NZD
View
Retailer 14
-
$1,877 NZD
View
Price last confirmed 11 days ago
Retailer 15
-
$1,907 NZD
View
Price last confirmed 31 days ago
B
Retailer 16
-
$2,056 NZD
View
B
Retailer 17
-
$2,374 NZD
View
Retailer 18
-
$2,402 NZD
View
Price last confirmed 17 days ago
B
Retailer 19
-
$2,571 NZD
View
B
Retailer 20
-
$2,629 NZD
View
B
Retailer 21
-
$2,657 NZD
View
B
Retailer 22
-
$2,753 NZD
View
B
Retailer 23
-
$2,812 NZD
View
B
Retailer 24
-
$2,959 NZD
View
Most Expensive
B
Do Amore Diamonds
27-A0C269AFE · Nov 4
$4,790 NZD
$2,700 USD
View
24 more retailers have this diamond
Prices start from $539 NZDSave up to $4,251 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
$539 NZD