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 $251 USD
As of October 30, 2026
Save $1,000 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,251 USD at MOH London · As of October 29, 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 October 29, 2026, with prices from $251 to $1,251, a $1,000 spread on the same certified stone. MOH London lists it at $1,251. 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 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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,251 USD|Low: $240 USD|High: $1,260 USD|Avg: $635 USD|+4.7%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 14$251 USD
Retailer 5$281 USD
Retailer 3$291 USD
Retailer 4$311 USD
Retailer 15$311 USD
Retailer 11$373 USD
Retailer 12$470 USD
Retailer 6$513 USD
Retailer 17$519 USD
Retailer 8$565 USD
Retailer 2$586 USD
Retailer 10$710 USD
Retailer 13$954 USD
Retailer 16$999 USD
Retailer 9$1,050 USD
Retailer 7$1,204 USD
MOH London$1,251 USD

43 data points across 17 retailers

17 retailers$251 USD to $1,251 USD

A
Cheapest Retailer
-
$251 USD
A
Retailer 2
-
$281 USD
View
Final sale: no returns
A
Retailer 3
-
$291 USD
View
A
Retailer 4
-
$311 USD
View
A
Retailer 5
-
$311 USD
View
A
Retailer 6
-
$373 USD
£294 GBP
View
A
Retailer 7
-
$470 USD
View
B+
Retailer 8
-
$513 USD
View
B+
Retailer 9
-
$519 USD
View
B+
Retailer 10
-
$565 USD
View
B+
Retailer 11
-
$586 USD
£462 GBP
View
B+
Retailer 12
-
$710 USD
View
B
Retailer 13
-
$954 USD
View
B
Retailer 14
-
$999 USD
View
Retailer 15
-
$1,050 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
$1,204 USD
£948 GBP
View
Most Expensive
B
MOH London
LG638468183 · Oct 29
$1,251 USD
£985 GBP
View
16 more retailers have this diamond
Prices start from $251 USDSave up to $1,000 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
$251 USD