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Radiant|Lab Grown|IGI

1.28ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG639439366

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

Certificate IGI LG639439366

Diamond specifications and retailer prices

From $365 NZD
As of November 4, 2026
Save $3,147 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,513 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG639439366 or 639439366. Listed at 16 retailers as of November 4, 2026, with prices from $365 to $3,513, a $3,147 spread on the same certified stone. Do Amore Diamonds lists it at $3,513. 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 angle35.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639439366
Dimensions7.83 × 5.32 × 3.62 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm5.32 mm1.28 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639439366
Side View
Table 63.0%Crown 35.9°Girdle: MediumPavilion 35.1°Culet: NoneDepth 68.0%

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: $596 NZD|Low: $351 NZD|High: $2,028 NZD|Avg: $978 NZD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 10$365 NZD
Retailer 3$424 NZD
Retailer 4$452 NZD
Retailer 11$452 NZD
Retailer 1$596 NZD
Retailer 2$784 NZD
Retailer 6$924 NZD
Retailer 5$993 NZD
Retailer 8$1,462 NZD
Retailer 12$1,607 NZD
Retailer 9$1,946 NZD
Retailer 7$2,013 NZD

43 data points across 12 retailers

16 retailers$365 NZD to $3,513 NZD

A
Cheapest Retailer
-
$365 NZD
A
Retailer 2
-
$424 NZD
View
Retailer 3
-
$452 NZD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$452 NZD
View
A
Retailer 5
-
$596 NZD
View
A
Retailer 6
-
$687 NZD
View
A
Retailer 7
-
$784 NZD
View
B+
Retailer 8
-
$924 NZD
View
B+
Retailer 9
-
$993 NZD
View
B
Retailer 10
-
$1,345 NZD
View
B
Retailer 11
-
$1,462 NZD
View
B
Retailer 12
-
$1,607 NZD
View
Retailer 13
-
$1,912 NZD
View
Price last confirmed 17 days ago
B
Retailer 14
-
$1,946 NZD
View
B
Retailer 15
-
$2,013 NZD
View
Most Expensive
B
Do Amore Diamonds
27-8748EB599 · Nov 4
$3,513 NZD
$1,980 USD
View
15 more retailers have this diamond
Prices start from $365 NZDSave up to $3,147 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
$365 NZD