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Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG805676250

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

Certificate IGI LG805676250

Diamond specifications and retailer prices

From $279 SGD
$218 USD
As of October 31, 2026
Save $1,255 SGD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,534 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG805676250 or 805676250. Listed at 13 retailers as of October 31, 2026, with prices from $279 to $1,534, a $1,255 spread on the same certified stone. Brilliant Earth lists it at $1,534. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805676250
Dimensions7.54 × 5.25 × 3.60 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm5.25 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805676250
Side View
Table 64.0%Crown 43°Girdle: MediumPavilion 35.1°Culet: NoneDepth 68.6%

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 31
Current: $1,534 SGD|Low: $279 SGD|High: $1,547 SGD|Avg: $836 SGD|-0.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 13$279 SGD
Retailer 6$414 SGD
Retailer 9$531 SGD
Retailer 2$537 SGD
Retailer 4$539 SGD
Retailer 7$565 SGD
Retailer 11$610 SGD
Retailer 10$755 SGD
Retailer 5$920 SGD
Retailer 12$998 SGD
Retailer 8$1,455 SGD
Retailer 3$1,506 SGD
Brilliant Earth$1,534 SGD

14 data points across 13 retailers

13 retailers$279 SGD to $1,534 SGD

A
Cheapest Retailer
-
$279 SGD
$218 USD
Final sale: no returns
A
Retailer 2
-
$414 SGD
£255 GBP
View
A
Retailer 3
-
$531 SGD
ZAR 6,713 ZAR
View
A
Retailer 4
-
$537 SGD
€400 EUR
View
A
Retailer 5
-
$539 SGD
$422 USD
View
A
Retailer 6
-
$565 SGD
£348 GBP
View
A
Retailer 7
-
$610 SGD
$477 USD
View
B+
Retailer 8
-
$755 SGD
A$908 AUD
View
Retailer 9
-
$920 SGD
$720 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$998 SGD
$781 USD
View
B
Retailer 11
-
$1,455 SGD
£896 GBP
View
B
Retailer 12
-
$1,506 SGD
$1,178 USD
View
Most Expensive
B
Brilliant Earth
22162818A · Oct 31
$1,534 SGD
$1,200 USD
View
12 more retailers have this diamond
Prices start from $279 SGDSave up to $1,255 SGD

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
$279 SGD