CaratHunter
Plans
Radiant|Lab Grown|IGI

12.39ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG743507511

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

Certificate IGI LG743507511

Diamond specifications and retailer prices

From $3,066 SGD
$2,397 USD
As of November 2, 2026
Save $18,024 SGD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $30,029 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.39ct lab-grown radiant diamond

This 12.39ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG743507511 or 743507511. Listed at 12 retailers as of November 2, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

12.39
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743507511
Dimensions11.37 × 11.37 × 7.60 mm
L/W Ratio1.00
Culet sizePointed
Top View
11.37 mm11.37 mm12.39 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743507511
Side View
Table 65.0%Crown 46.1°Girdle: MediumPavilion 34.9°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,935 SGD|Low: $2,613 SGD|High: $21,089 SGD|Avg: $6,743 SGD|+0.2%
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
November 2, 2026
Retailer 3$2,613 SGD
Retailer 10$3,152 SGD
Retailer 9$3,650 SGD
Retailer 4$3,765 SGD
Retailer 7$3,916 SGD
Retailer 13$4,246 SGD
Retailer 16$4,995 SGD
Retailer 17$5,102 SGD
Retailer 5$5,204 SGD
Retailer 2$5,332 SGD
Retailer 1$5,935 SGD
Retailer 11$7,273 SGD
Retailer 8$8,280 SGD
Retailer 6$8,836 SGD
Retailer 14$9,959 SGD
Retailer 12$11,723 SGD
Retailer 15$21,089 SGD

11 data points across 17 retailers

12 retailers$3,066 SGD to $21,089 SGD

A
Cheapest Retailer
-
$3,066 SGD
$2,397 USD
A
Retailer 2
-
$3,152 SGD
£1,941 GBP
View
A
Retailer 3
-
$4,246 SGD
$3,320 USD
View
A
Retailer 4
-
$4,995 SGD
$3,906 USD
View
A
Retailer 5
-
$5,102 SGD
$3,990 USD
View
B+
Retailer 6
-
$5,332 SGD
$4,169 USD
View
B+
Retailer 7
-
$5,935 SGD
€4,420 EUR
View
B+
Retailer 8
-
$7,273 SGD
A$8,749 AUD
View
B
Retailer 9
-
$9,959 SGD
$7,787 USD
View
B
Retailer 10
-
$11,723 SGD
A$14,102 AUD
View
B
Retailer 11
-
$21,089 SGD
$16,490 USD
View
Most Expensive
Brilliant Earth
22300729A · Nov 2
$30,029 SGD
$23,480 USD
View
Price under review
11 more retailers have this diamond
Prices start from $3,066 SGDSave up to $18,024 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
12.39ct Radiant
$3,066 SGD