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Princess|Lab Grown|IGI

12.54ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG833655845

Shape and cutting style on the report: Princess cut

Certificate IGI LG833655845

Diamond specifications and retailer prices

From HK$23,248 HKD
$2,963 USD
As of November 1, 2026
Save HK$120,257 HKD (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$143,505 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.54ct lab-grown princess diamond

This 12.54ct lab-grown princess 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 LG833655845 or 833655845. Listed at 3 retailers as of November 1, 2026, with prices from HK$23,248 to HK$143,505, a HK$120,257 spread on the same certified stone. Brilliant Earth lists it at HK$143,505. 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

12.54
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833655845
Dimensions13.00 × 12.73 × 8.53 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.00 mm12.73 mm12.54 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833655845
Side View
Table 67.0%Crown 44.5°Girdle: MediumPavilion 37.3°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
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 1
Current: HK$143,505 HKD|Low: HK$23,248 HKD|High: HK$164,062 HKD|Avg: HK$74,183 HKD|-12.5%
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3HK$23,248 HKD
Retailer 2HK$32,465 HKD
Brilliant EarthHK$143,505 HKD

37 data points across 3 retailers

3 retailersHK$23,248 HKD to HK$143,505 HKD

A
Cheapest Retailer
-
HK$23,248 HKD
$2,963 USD
Final sale: no returns
A
Retailer 2
-
HK$32,465 HKD
£3,258 GBP
View
Most Expensive
B
Brilliant Earth
21234773A · Nov 2
HK$143,505 HKD
$18,290 USD
View
2 more retailers have this diamond
Prices start from HK$23,248 HKDSave up to HK$120,257 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
12.54ct Princess
HK$23,248 HKD