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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 $2,556 USD
£2,012 GBP
As of November 2, 2026
Save $14,544 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $24,360 USD 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 a 569% 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

12.85
Carat
F
Color
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: $4,813 USD|Low: $2,556 USD|High: $17,100 USD|Avg: $5,817 USD|+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$2,556 USD
Retailer 3$3,085 USD
Retailer 6$3,192 USD
Retailer 11$3,445 USD
Retailer 2$4,048 USD
Retailer 15$4,138 USD
Retailer 4$4,267 USD
Retailer 13$4,322 USD
Retailer 1$4,813 USD
Retailer 9$5,896 USD
Retailer 7$6,711 USD
Retailer 5$7,231 USD
Retailer 14$8,354 USD
Retailer 10$9,502 USD
Retailer 12$17,100 USD

11 data points across 15 retailers

12 retailers$2,556 USD to $17,100 USD

A
Cheapest Retailer
-
$2,556 USD
£2,012 GBP
A
Retailer 2
-
$3,445 USD
View
A
Retailer 3
-
$4,048 USD
View
A
Retailer 4
-
$4,138 USD
View
B+
Retailer 5
-
$4,322 USD
View
B+
Retailer 6
-
$4,374 USD
View
B+
Retailer 7
-
$4,813 USD
€4,584 EUR
View
B+
Retailer 8
-
$5,896 USD
A$9,070 AUD
View
B
Retailer 9
-
$8,354 USD
View
B
Retailer 10
-
$9,502 USD
A$14,619 AUD
View
B
Retailer 11
-
$17,100 USD
View
Most Expensive
Brilliant Earth
22301408A · Nov 2
$24,360 USD
View
Price under review
11 more retailers have this diamond
Prices start from $2,556 USDSave up to $14,544 USD

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
$2,556 USD