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Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG835649621

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

Certificate IGI LG835649621

Diamond specifications and retailer prices

From $268 SGD
$210 USD
As of November 1, 2026
Save $1,969 SGD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,237 SGD at Brilliant Earth · As of October 30, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835649621 or 835649621. Listed at 18 retailers as of October 30, 2026, with prices from $268 to $2,237, a $1,969 spread on the same certified stone. Brilliant Earth lists it at $2,237. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835649621
Dimensions7.78 × 5.29 × 3.55 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.29 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835649621
Side View
Table 66.0%Crown 42°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
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: Nov 1
Current: $2,237 SGD|Low: $238 SGD|High: $2,442 SGD|Avg: $949 SGD|+2.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 6$268 SGD
Retailer 15$279 SGD
Retailer 12$340 SGD
Retailer 16$403 SGD
Retailer 2$514 SGD
Retailer 13$540 SGD
Retailer 14$556 SGD
Retailer 18$710 SGD
Retailer 9$740 SGD
Retailer 4$756 SGD
Retailer 17$960 SGD
Retailer 7$973 SGD
Retailer 3$998 SGD
Retailer 5$1,026 SGD
Retailer 10$1,197 SGD
Retailer 8$1,368 SGD
Retailer 11$1,391 SGD
Brilliant Earth$2,237 SGD

26 data points across 18 retailers

18 retailers$268 SGD to $2,237 SGD

A
Cheapest Retailer
-
$268 SGD
$210 USD
Final sale: no returns
A
Retailer 2
-
$279 SGD
$218 USD
View
A
Retailer 3
-
$340 SGD
£209 GBP
View
B+
Retailer 4
-
$403 SGD
$315 USD
View
A
Retailer 5
-
$514 SGD
ZAR 6,492 ZAR
View
A
Retailer 6
-
$540 SGD
£333 GBP
View
A
Retailer 7
-
$556 SGD
€414 EUR
View
A
Retailer 8
-
$710 SGD
$555 USD
View
Retailer 9
-
$740 SGD
A$890 AUD
View
Price last confirmed 15 days ago
A
Retailer 10
-
$756 SGD
$591 USD
View
B+
Retailer 11
-
$960 SGD
$751 USD
View
B+
Retailer 12
-
$973 SGD
View
B+
Retailer 13
-
$998 SGD
$781 USD
View
B+
Retailer 14
-
$1,026 SGD
$802 USD
View
Retailer 15
-
$1,197 SGD
A$1,441 AUD
View
Price last confirmed 28 days ago
Retailer 16
-
$1,368 SGD
$1,070 USD
View
Price last confirmed 14 days ago
B+
Retailer 17
-
$1,391 SGD
£857 GBP
View
Most Expensive
B
Brilliant Earth
21565343A · Oct 30
$2,237 SGD
$1,750 USD
View
17 more retailers have this diamond
Prices start from $268 SGDSave up to $1,969 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
$268 SGD