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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 HK$20,051 HKD
£2,012 GBP
As of November 2, 2026
Save HK$171,080 HKD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$191,131 HKD 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 HK$20,051 to HK$191,131, a HK$171,080 spread on the same certified stone. Brilliant Earth lists it at HK$191,131. 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: HK$37,765 HKD|Low: HK$20,051 HKD|High: HK$134,168 HKD|Avg: HK$45,639 HKD|+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 8HK$20,051 HKD
Retailer 3HK$24,203 HKD
Retailer 6HK$25,045 HKD
Retailer 11HK$27,030 HKD
Retailer 2HK$31,761 HKD
Retailer 15HK$32,465 HKD
Retailer 4HK$33,481 HKD
Retailer 13HK$33,911 HKD
Retailer 1HK$37,765 HKD
Retailer 9HK$46,257 HKD
Retailer 7HK$52,655 HKD
Retailer 5HK$56,739 HKD
Retailer 14HK$65,546 HKD
Retailer 10HK$74,556 HKD
Retailer 12HK$134,168 HKD

11 data points across 15 retailers

12 retailersHK$20,051 HKD to HK$191,131 HKD

A
Cheapest Retailer
-
HK$20,051 HKD
£2,012 GBP
A
Retailer 2
-
HK$27,030 HKD
$3,445 USD
View
A
Retailer 3
-
HK$31,761 HKD
$4,048 USD
View
A
Retailer 4
-
HK$32,465 HKD
$4,138 USD
View
B+
Retailer 5
-
HK$33,911 HKD
$4,322 USD
View
B+
Retailer 6
-
HK$34,319 HKD
$4,374 USD
View
B+
Retailer 7
-
HK$37,765 HKD
€4,584 EUR
View
B+
Retailer 8
-
HK$46,257 HKD
A$9,070 AUD
View
B
Retailer 9
-
HK$65,546 HKD
$8,354 USD
View
B
Retailer 10
-
HK$74,556 HKD
A$14,619 AUD
View
B
Retailer 11
-
HK$134,168 HKD
$17,100 USD
View
Most Expensive
B
Brilliant Earth
22301408A · Nov 2
HK$191,131 HKD
$24,360 USD
View
11 more retailers have this diamond
Prices start from HK$20,051 HKDSave up to HK$171,080 HKD

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
HK$20,051 HKD