Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG632472890

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

Certificate IGI LG632472890

Diamond specifications and retailer prices

From $814 USD
£641 GBP
As of October 28, 2026
14 retailers carry this diamond
Most expensive: $1,077 USD at Reve Diamonds · As of October 7, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG632472890 or 632472890. Listed at 14 retailers as of October 28, 2026. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632472890
Dimensions7.47 × 5.34 × 3.57 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.47 mm5.34 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632472890
Side View
Table 65.0%Crown 45.1°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $372 USD|Low: $156 USD|High: $1,560 USD|Avg: $530 USD|+2.2%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
October 8, 2026
Retailer 12$156 USD
Retailer 5$182 USD
Retailer 8$189 USD
Retailer 2$202 USD
Retailer 17$202 USD
Retailer 4$274 USD
Retailer 11$302 USD
Retailer 1$372 USD
Retailer 14$383 USD
Retailer 15$393 USD
Retailer 9$453 USD
Retailer 6$510 USD
Retailer 13$700 USD
Retailer 16$717 USD
Retailer 18$722 USD
Retailer 10$990 USD
Retailer 7$1,055 USD
Reve Diamonds$1,077 USD
Retailer 3$1,560 USD

22 data points across 19 retailers

14 retailers

A
Retailer 1
-
$156 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$189 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$202 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$302 USD
£238 GBP
View
Price last confirmed 23 days ago
A
Retailer 5
-
$320 USD
HK$2,500 HKD
View
Price last confirmed 55 days ago
A
Retailer 6
-
$383 USD
ZAR 6,190 ZAR
View
Price last confirmed 24 days ago
B+
Retailer 7
-
$510 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$700 USD
View
Price last confirmed 24 days ago
B+
Retailer 9
-
$717 USD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
$722 USD
A$1,111 AUD
View
Price last confirmed 26 days ago
B
Retailer 11
-
$814 USD
£641 GBP
View
B
Retailer 12
-
$890 USD
View
Price last confirmed 24 days ago
B
Retailer 13
-
$1,055 USD
£831 GBP
View
Price last confirmed 28 days ago
Most Expensive
B
Reve Diamonds
DA45F37FA · Oct 7
$1,077 USD
View
Price last confirmed 22 days ago
13 more retailers have this diamond
Prices start from $814 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
$814 USD