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Radiant|Lab Grown|IGI

12.13ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG577377304

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

Certificate IGI LG577377304

Diamond specifications and retailer prices

From $4,185 SGD
£2,578 GBP
As of November 1, 2026
Save $21,000 SGD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $25,184 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.13ct lab-grown radiant diamond

This 12.13ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577377304 or 577377304. Listed at 16 retailers as of October 31, 2026, with prices from $4,185 to $25,184, a $21,000 spread on the same certified stone. Brilliant Earth lists it at $25,184. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.13
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577377304
Dimensions16.42 × 11.05 × 7.52 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.42 mm11.05 mm12.13 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577377304
Side View
Table 65.5%Crown 43.5°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 68.1%

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: $25,184 SGD|Low: $2,095 SGD|High: $25,964 SGD|Avg: $6,930 SGD|-3.0%
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
November 1, 2026
Retailer 6$2,935 SGD
Retailer 3$3,041 SGD
Retailer 5$3,668 SGD
Retailer 7$4,185 SGD
Retailer 12$4,519 SGD
Retailer 11$4,664 SGD
Retailer 14$4,758 SGD
Retailer 9$5,394 SGD
Retailer 2$5,636 SGD
Retailer 4$5,767 SGD
Retailer 8$6,432 SGD
Retailer 13$8,195 SGD
Retailer 10$11,642 SGD
Brilliant Earth$25,184 SGD

26 data points across 14 retailers

16 retailers$4,185 SGD to $25,184 SGD

Retailer 1
-
$2,517 SGD
$1,969 USD
Price last confirmed 30 days ago
Retailer 2
-
$3,041 SGD
$2,379 USD
View
Price last confirmed 29 days ago
Retailer 3
-
$4,180 SGD
$3,270 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$4,185 SGD
£2,578 GBP
View
Retailer 5
-
$4,664 SGD
ZAR 58,945 ZAR
View
Price last confirmed 17 days ago
A
Retailer 6
-
$4,758 SGD
$3,722 USD
View
Retailer 7
-
$4,878 SGD
$3,816 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
$5,394 SGD
$4,219 USD
View
B+
Retailer 9
-
$5,636 SGD
A$6,782 AUD
View
B+
Retailer 10
-
$5,767 SGD
£3,552 GBP
View
B+
Retailer 11
-
$6,432 SGD
€4,792 EUR
View
B+
Retailer 12
-
$8,195 SGD
$6,410 USD
View
B
Retailer 13
-
$8,655 SGD
$6,770 USD
View
B
Retailer 14
-
$10,640 SGD
$8,323 USD
View
B
Retailer 15
-
$11,642 SGD
$9,107 USD
View
Most Expensive
B
Brilliant Earth
14113636A · Oct 31
$25,184 SGD
$19,700 USD
View
15 more retailers have this diamond
Prices start from $4,185 SGDSave up to $21,000 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
12.13ct Radiant
$4,185 SGD