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Radiant|Lab Grown|IGI

12.55ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG824618732

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

Certificate IGI LG824618732

Diamond specifications and retailer prices

From HK$21,793 HKD
As of November 1, 2026
Save HK$56,809 HKD (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$78,602 HKD at Adiamor · As of November 2, 2026
View at Adiamor

About this 12.55ct lab-grown radiant diamond

This 12.55ct 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 LG824618732 or 824618732. Listed at 9 retailers as of November 1, 2026, with prices from HK$21,793 to HK$78,602, a HK$56,809 spread on the same certified stone. Adiamor lists it at HK$78,602. 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

12.55
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG824618732
Dimensions17.22 × 11.64 × 7.35 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.22 mm11.64 mm12.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG824618732
Side View
Table 68.0%Crown 45.6°Girdle: ThinPavilion 34.2°Culet: NoneDepth 63.1%

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 1
Current: HK$78,602 HKD|Low: HK$20,990 HKD|High: HK$78,602 HKD|Avg: HK$47,582 HKD|+0.3%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8HK$21,793 HKD
Retailer 2HK$25,243 HKD
Retailer 6HK$28,936 HKD
Retailer 4HK$29,246 HKD
Retailer 5HK$46,645 HKD
Retailer 9HK$64,731 HKD
Retailer 7HK$69,101 HKD
Retailer 3HK$70,293 HKD
AdiamorHK$78,602 HKD

41 data points across 9 retailers

9 retailersHK$21,793 HKD to HK$78,602 HKD

A
Cheapest Retailer
-
HK$21,793 HKD
A
Retailer 2
-
HK$25,243 HKD
£2,533 GBP
View
B+
Retailer 3
-
HK$28,936 HKD
$3,688 USD
View
A
Retailer 4
-
HK$29,246 HKD
€3,550 EUR
View
B+
Retailer 5
-
HK$46,645 HKD
$5,945 USD
View
B
Retailer 6
-
HK$64,731 HKD
$8,250 USD
View
B
Retailer 7
-
HK$69,101 HKD
$8,807 USD
View
B
Retailer 8
-
HK$70,293 HKD
A$13,783 AUD
View
Most Expensive
B
Adiamor
D-81604679 · Nov 2
HK$78,602 HKD
$10,018 USD
View
8 more retailers have this diamond
Prices start from HK$21,793 HKDSave up to HK$56,809 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
12.55ct Radiant
HK$21,793 HKD