Radiant|Lab Grown|IGI

1.23ct D VVS2 Radiant Lab Grown Diamond

EX • D/VVS2 • IGI LG800605856

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

Certificate IGI LG800605856

Diamond specifications and retailer prices

From $270 USD
As of October 28, 2026
Save $1,056 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,326 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800605856 or 800605856. Listed at 15 retailers as of October 28, 2026, with prices from $270 to $1,326, a $1,056 spread on the same certified stone. Reve Diamonds lists it at $1,326. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800605856
Dimensions5.88 × 5.78 × 3.91 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.88 mm5.78 mm1.23 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800605856
Side View
Table 63.0%Crown 35.9°Girdle: Slightly ThickPavilion 32.4°Culet: NoneDepth 67.6%

Caratlytics Score

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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 28
Current: $393 USD|Low: $163 USD|High: $1,326 USD|Avg: $661 USD|-1.0%
Retailer 1
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
Reve Diamonds
October 30, 2026
Retailer 5$163 USD
Retailer 2$270 USD
Retailer 12$300 USD
Retailer 1$393 USD
Retailer 13$402 USD
Retailer 10$496 USD
Retailer 8$515 USD
Retailer 14$539 USD
Retailer 3$561 USD
Retailer 11$750 USD
Retailer 9$885 USD
Retailer 6$965 USD
Retailer 4$1,023 USD
Retailer 7$1,207 USD
Reve Diamonds$1,326 USD

34 data points across 15 retailers

15 retailers$270 USD to $1,326 USD

A
Cheapest Retailer
-
$270 USD
Final sale: no returns
A
Retailer 2
-
$300 USD
View
A
Retailer 3
-
$393 USD
£309 GBP
View
A
Retailer 4
-
$402 USD
View
Retailer 5
-
$496 USD
€472 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$515 USD
ZAR 8,314 ZAR
View
B+
Retailer 7
-
$539 USD
View
B+
Retailer 8
-
$561 USD
View
B+
Retailer 9
-
$750 USD
View
Retailer 10
-
$885 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$965 USD
SGD 1,304 SGD
View
B
Retailer 12
-
$1,015 USD
View
B
Retailer 13
-
$1,044 USD
View
B
Retailer 14
-
$1,207 USD
£950 GBP
View
Most Expensive
B
Reve Diamonds
2725B047F · Oct 30
$1,326 USD
View
14 more retailers have this diamond
Prices start from $270 USDSave up to $1,056 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
1.23ct Radiant
$270 USD