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Radiant|Lab Grown|IGI

12.85ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG747546594

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

Certificate IGI LG747546594

Diamond specifications and retailer prices

From $3,268 SGD
£2,012 GBP
As of November 2, 2026
Save $27,886 SGD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $31,154 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.85ct lab-grown radiant diamond

This 12.85ct 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 LG747546594 or 747546594. Listed at 12 retailers as of November 2, 2026, with prices from $3,268 to $31,154, a $27,886 spread on the same certified stone. Brilliant Earth lists it at $31,154. 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

12.85
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747546594
Dimensions11.42 × 11.42 × 7.61 mm
L/W Ratio1.00
Culet sizePointed
Top View
11.42 mm11.42 mm12.85 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747546594
Side View
Table 67.0%Crown 47.1°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 66.6%

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: $6,156 SGD|Low: $3,268 SGD|High: $21,869 SGD|Avg: $7,439 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
November 2, 2026
Retailer 8$3,268 SGD
Retailer 3$3,945 SGD
Retailer 6$4,082 SGD
Retailer 11$4,406 SGD
Retailer 2$5,177 SGD
Retailer 15$5,292 SGD
Retailer 4$5,457 SGD
Retailer 13$5,527 SGD
Retailer 1$6,156 SGD
Retailer 9$7,540 SGD
Retailer 7$8,583 SGD
Retailer 5$9,248 SGD
Retailer 14$10,684 SGD
Retailer 10$12,153 SGD
Retailer 12$21,869 SGD

11 data points across 15 retailers

12 retailers$3,268 SGD to $31,154 SGD

A
Cheapest Retailer
-
$3,268 SGD
£2,012 GBP
A
Retailer 2
-
$4,406 SGD
$3,445 USD
View
A
Retailer 3
-
$5,177 SGD
$4,048 USD
View
A
Retailer 4
-
$5,292 SGD
$4,138 USD
View
B+
Retailer 5
-
$5,527 SGD
$4,322 USD
View
B+
Retailer 6
-
$5,594 SGD
$4,374 USD
View
B+
Retailer 7
-
$6,156 SGD
€4,584 EUR
View
B+
Retailer 8
-
$7,540 SGD
A$9,070 AUD
View
B
Retailer 9
-
$10,684 SGD
$8,354 USD
View
B
Retailer 10
-
$12,153 SGD
A$14,619 AUD
View
B
Retailer 11
-
$21,869 SGD
$17,100 USD
View
Most Expensive
B
Brilliant Earth
22301408A · Nov 2
$31,154 SGD
$24,360 USD
View
11 more retailers have this diamond
Prices start from $3,268 SGDSave up to $27,886 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
12.85ct Radiant
$3,268 SGD