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Radiant|Lab Grown|IGI

1.28ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG638468183

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

Certificate IGI LG638468183

Diamond specifications and retailer prices

From $445 NZD
As of November 4, 2026
Save $1,763 NZD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,208 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638468183 or 638468183. Listed at 17 retailers as of November 2, 2026, with prices from $445 to $2,208, a $1,763 spread on the same certified stone. MOH London lists it at $2,208. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638468183
Dimensions7.74 × 5.32 × 3.70 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.74 mm5.32 mm1.28 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638468183
Side View
Table 64.0%Crown 39.7°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 69.5%

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: $2,208 NZD|Low: $426 NZD|High: $2,235 NZD|Avg: $1,073 NZD|-1.1%
MOH London
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 4, 2026
Retailer 13$445 NZD
Retailer 5$498 NZD
Retailer 3$516 NZD
Retailer 4$552 NZD
Retailer 14$552 NZD
Retailer 2$656 NZD
Retailer 11$834 NZD
Retailer 6$910 NZD
Retailer 16$921 NZD
Retailer 8$1,002 NZD
Retailer 9$1,038 NZD
Retailer 10$1,260 NZD
Retailer 12$1,692 NZD
Retailer 15$1,772 NZD
Retailer 7$2,134 NZD
MOH London$2,208 NZD

43 data points across 16 retailers

17 retailers$445 NZD to $2,208 NZD

A
Cheapest Retailer
-
$445 NZD
A
Retailer 2
-
$498 NZD
View
Final sale: no returns
A
Retailer 3
-
$516 NZD
View
Retailer 4
-
$552 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$552 NZD
View
A
Retailer 6
-
$656 NZD
View
A
Retailer 7
-
$834 NZD
View
B+
Retailer 8
-
$910 NZD
View
B+
Retailer 9
-
$921 NZD
View
B+
Retailer 10
-
$1,002 NZD
View
B+
Retailer 11
-
$1,038 NZD
View
B+
Retailer 12
-
$1,260 NZD
View
B
Retailer 13
-
$1,692 NZD
View
B
Retailer 14
-
$1,772 NZD
View
Retailer 15
-
$1,863 NZD
View
Price last confirmed 18 days ago
B
Retailer 16
-
$2,134 NZD
View
Most Expensive
B
MOH London
LG638468183 · Nov 2
$2,208 NZD
£980 GBP
View
16 more retailers have this diamond
Prices start from $445 NZDSave up to $1,763 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
1.28ct Radiant
$445 NZD