Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG841629633

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

Certificate IGI LG841629633

Diamond specifications and retailer prices

From $192 USD
As of October 27, 2026
Save $924 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,116 USD at MOH London · As of October 26, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841629633 or 841629633. Listed at 18 retailers as of October 26, 2026, with prices from $192 to $1,116, a $924 spread on the same certified stone. MOH London lists it at $1,116. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841629633
Dimensions8.21 × 5.13 × 3.53 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm5.13 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841629633
Side View
Table 65.0%Crown 40.9°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 68.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $1,116 USD|Low: $192 USD|High: $1,138 USD|Avg: $518 USD|-1.9%
MOH London
Retailer 2
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Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 18
October 28, 2026
Retailer 5$192 USD
Retailer 7$215 USD
Retailer 3$223 USD
Retailer 15$238 USD
Retailer 18$238 USD
Retailer 12$273 USD
Retailer 16$322 USD
Retailer 6$390 USD
Retailer 11$409 USD
Retailer 13$432 USD
Retailer 4$562 USD
Retailer 14$582 USD
Retailer 9$635 USD
Retailer 17$766 USD
Retailer 8$769 USD
Retailer 10$779 USD
Retailer 2$816 USD
MOH London$1,116 USD

20 data points across 18 retailers

18 retailers$192 USD to $1,116 USD

A
Cheapest Retailer
-
$192 USD
A
Retailer 2
-
$215 USD
View
Final sale: no returns
A
Retailer 3
-
$223 USD
View
A
Retailer 4
-
$238 USD
View
A
Retailer 5
-
$238 USD
View
A
Retailer 6
-
$273 USD
£215 GBP
View
B+
Retailer 7
-
$322 USD
View
A
Retailer 8
-
$390 USD
€371 EUR
View
A
Retailer 9
-
$409 USD
ZAR 6,614 ZAR
View
A
Retailer 10
-
$432 USD
£340 GBP
View
A
Retailer 11
-
$562 USD
View
B+
Retailer 12
-
$582 USD
A$895 AUD
View
B+
Retailer 13
-
$635 USD
View
B+
Retailer 14
-
$766 USD
View
B+
Retailer 15
-
$769 USD
View
B+
Retailer 16
-
$779 USD
SGD 1,053 SGD
View
B+
Retailer 17
-
$816 USD
View
Most Expensive
B
MOH London
LG841629633 · Oct 26
$1,116 USD
£879 GBP
View
17 more retailers have this diamond
Prices start from $192 USDSave up to $924 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
$192 USD