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 $206 USD
As of October 30, 2026
Save $1,774 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,980 USD at Do Amore Diamonds · As of October 29, 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 October 29, 2026, with prices from $206 to $1,980, a $1,774 spread on the same certified stone. Do Amore Diamonds lists it at $1,980. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $338 USD|Low: $337 USD|High: $1,143 USD|Avg: $689 USD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 1$338 USD
Retailer 7$442 USD
Retailer 2$527 USD
Retailer 4$675 USD
Retailer 5$824 USD
Retailer 6$1,097 USD
Retailer 3$1,135 USD

44 data points across 7 retailers

16 retailers$206 USD to $1,980 USD

A
Cheapest Retailer
-
$206 USD
A
Retailer 2
-
$239 USD
View
A
Retailer 3
-
$255 USD
View
A
Retailer 4
-
$255 USD
View
A
Retailer 5
-
$338 USD
£266 GBP
View
A
Retailer 6
-
$387 USD
View
A
Retailer 7
-
$442 USD
View
B+
Retailer 8
-
$527 USD
£415 GBP
View
Retailer 9
-
$675 USD
View
Price last confirmed 11 days ago
B
Retailer 10
-
$758 USD
£597 GBP
View
B
Retailer 11
-
$824 USD
View
B
Retailer 12
-
$906 USD
View
Retailer 13
-
$1,078 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$1,097 USD
£864 GBP
View
B
Retailer 15
-
$1,135 USD
£894 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8748EB599 · Oct 29
$1,980 USD
View
15 more retailers have this diamond
Prices start from $206 USDSave up to $1,774 USD

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
$206 USD