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Radiant|Lab Grown|IGI

12.57ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG791607296

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

Certificate IGI LG791607296

Diamond specifications and retailer prices

From $2,604 SGD
$2,036 USD
As of November 2, 2026
Save $13,638 SGD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $16,242 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.57ct lab-grown radiant diamond

This 12.57ct 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 LG791607296 or 791607296. Listed at 23 retailers as of November 2, 2026, with prices from $2,604 to $16,242, a $13,638 spread on the same certified stone. Brilliant Earth lists it at $16,242. 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

12.57
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791607296
Dimensions16.93 × 11.53 × 7.53 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.93 mm11.53 mm12.57 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791607296
Side View
Table 64.0%Crown 22.7°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 65.3%

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: Nov 2
Current: $16,242 SGD|Low: $2,339 SGD|High: $16,242 SGD|Avg: $6,223 SGD
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
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Retailer 21
Retailer 22
November 3, 2026
Retailer 14$2,604 SGD
Retailer 15$2,826 SGD
Retailer 9$2,833 SGD
Retailer 7$3,021 SGD
Retailer 21$3,236 SGD
Retailer 6$3,552 SGD
Retailer 11$3,715 SGD
Retailer 22$4,151 SGD
Retailer 2$4,156 SGD
Retailer 13$4,548 SGD
Retailer 19$4,676 SGD
Retailer 3$4,726 SGD
Retailer 16$4,775 SGD
Retailer 17$5,596 SGD
Retailer 10$5,730 SGD
Retailer 20$7,609 SGD
Retailer 8$8,138 SGD
Retailer 12$10,567 SGD
Retailer 5$11,282 SGD
Retailer 18$11,476 SGD
Retailer 4$12,850 SGD
Brilliant Earth$16,242 SGD

36 data points across 22 retailers

23 retailers$2,604 SGD to $16,242 SGD

A
Cheapest Retailer
-
$2,604 SGD
$2,036 USD
Retailer 2
-
$2,826 SGD
$2,210 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$2,833 SGD
$2,215 USD
View
A
Retailer 4
-
$3,021 SGD
$2,362 USD
View
A
Retailer 5
-
$3,236 SGD
$2,530 USD
View
A
Retailer 6
-
$3,552 SGD
HK$21,700 HKD
View
A
Retailer 7
-
$3,715 SGD
$2,905 USD
View
A
Retailer 8
-
$4,151 SGD
$3,246 USD
View
A
Retailer 9
-
$4,156 SGD
£2,559 GBP
View
A
Retailer 10
-
$4,548 SGD
$3,556 USD
View
A
Retailer 11
-
$4,676 SGD
ZAR 59,064 ZAR
View
B+
Retailer 12
-
$4,726 SGD
$3,695 USD
View
A
Retailer 13
-
$4,775 SGD
€3,556 EUR
View
B+
Retailer 14
-
$5,596 SGD
A$6,732 AUD
View
A
Retailer 15
-
$5,730 SGD
£3,528 GBP
View
B+
Retailer 16
-
$7,609 SGD
$5,950 USD
View
B+
Retailer 17
-
$7,953 SGD
$6,219 USD
View
B+
Retailer 18
-
$8,138 SGD
$6,363 USD
View
B
Retailer 19
-
$10,567 SGD
$8,263 USD
View
B
Retailer 20
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$11,282 SGD
$8,822 USD
View
B
Retailer 21
-
$11,476 SGD
A$13,805 AUD
View
B
Retailer 22
-
$12,850 SGD
$10,048 USD
View
Most Expensive
B
Brilliant Earth
20999261A · Nov 2
$16,242 SGD
$12,700 USD
View
22 more retailers have this diamond
Prices start from $2,604 SGDSave up to $13,638 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
12.57ct Radiant
$2,604 SGD