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Radiant|Lab Grown|IGI

12.09ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG791645523

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG791645523

Diamond specifications and retailer prices

From HK$38,799 HKD
$4,945 USD
As of November 2, 2026
Save HK$99,288 HKD (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$138,087 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.09ct lab-grown radiant diamond

This 12.09ct 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 LG791645523 or 791645523. Listed at 17 retailers as of October 31, 2026, with prices from HK$38,799 to HK$138,087, a HK$99,288 spread on the same certified stone. Taylor and Hart lists it at HK$138,087. 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

12.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle45°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791645523
Dimensions14.86 × 10.45 × 7.38 mm
L/W Ratio1.42
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.86 mm10.45 mm12.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791645523
Side View
Table 64.0%Crown 45°Girdle: MediumPavilion 45°Culet: LargeDepth 70.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$49,791 HKD|Low: HK$32,091 HKD|High: HK$138,087 HKD|Avg: HK$59,630 HKD|-44.4%
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
Taylor and Hart
November 2, 2026
Retailer 15HK$33,432 HKD
Retailer 13HK$35,033 HKD
Retailer 2HK$38,775 HKD
Retailer 4HK$38,775 HKD
Retailer 10HK$38,799 HKD
Retailer 3HK$39,160 HKD
Retailer 7HK$48,458 HKD
Retailer 1HK$49,791 HKD
Retailer 12HK$50,458 HKD
Retailer 6HK$54,526 HKD
Retailer 11HK$56,413 HKD
Retailer 9HK$60,021 HKD
Retailer 14HK$72,443 HKD
Retailer 8HK$73,164 HKD
Retailer 5HK$79,301 HKD
Taylor and HartHK$138,087 HKD

42 data points across 16 retailers

17 retailersHK$38,799 HKD to HK$138,087 HKD

Retailer 1
-
HK$33,432 HKD
$4,261 USD
Price last confirmed 10 days ago
Retailer 2
-
HK$35,033 HKD
$4,465 USD
View
Price last confirmed 13 days ago
Retailer 3
-
HK$38,775 HKD
$4,942 USD
View
Price last confirmed 11 days ago
Retailer 4
-
HK$38,775 HKD
$4,942 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
HK$38,799 HKD
$4,945 USD
View
B+
Retailer 6
-
HK$39,160 HKD
$4,991 USD
View
Retailer 7
-
HK$48,458 HKD
$6,176 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
HK$49,791 HKD
£4,997 GBP
View
B+
Retailer 9
-
HK$50,458 HKD
$6,431 USD
View
Retailer 10
-
HK$53,079 HKD
$6,765 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
HK$54,526 HKD
£5,472 GBP
View
B+
Retailer 12
-
HK$56,413 HKD
$7,190 USD
View
B
Retailer 13
-
HK$60,021 HKD
ZAR 123,583 ZAR
View
B
Retailer 14
-
HK$72,443 HKD
$9,233 USD
View
B
Retailer 15
-
HK$73,164 HKD
A$14,346 AUD
View
B
Retailer 16
-
HK$79,301 HKD
$10,107 USD
View
Most Expensive
B
Taylor and Hart
76QT5S6 · Oct 31
HK$138,087 HKD
$17,599 USD
View
16 more retailers have this diamond
Prices start from HK$38,799 HKDSave up to HK$99,288 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.

B+
12.09ct Radiant
HK$38,799 HKD