Radiant|Lab Grown|IGI

12.13ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG577377304

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

Certificate IGI LG577377304

Diamond specifications and retailer prices

From HK$18,015 HKD
$2,296 USD
As of November 1, 2026
Save HK$136,554 HKD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$154,568 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.13ct lab-grown radiant diamond

This 12.13ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577377304 or 577377304. Listed at 17 retailers as of October 31, 2026, with prices from HK$18,015 to HK$154,568, a HK$136,554 spread on the same certified stone. Brilliant Earth lists it at HK$154,568. 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

12.13
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577377304
Dimensions16.42 × 11.05 × 7.52 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.42 mm11.05 mm12.13 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577377304
Side View
Table 65.5%Crown 43.5°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 68.1%

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$154,568 HKD|Low: HK$12,860 HKD|High: HK$159,354 HKD|Avg: HK$42,455 HKD|-3.0%
Brilliant Earth
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
November 2, 2026
Retailer 6HK$18,015 HKD
Retailer 3HK$18,666 HKD
Retailer 5HK$22,510 HKD
Retailer 7HK$25,471 HKD
Retailer 12HK$27,736 HKD
Retailer 11HK$28,628 HKD
Retailer 14HK$29,203 HKD
Retailer 10HK$33,103 HKD
Retailer 8HK$34,588 HKD
Retailer 4HK$35,394 HKD
Retailer 9HK$39,478 HKD
Retailer 13HK$50,294 HKD
Retailer 2HK$67,241 HKD
Brilliant EarthHK$154,568 HKD

26 data points across 14 retailers

17 retailersHK$18,015 HKD to HK$154,568 HKD

Retailer 1
-
HK$15,449 HKD
$1,969 USD
Price last confirmed 31 days ago
A
Retailer 2
-
HK$18,015 HKD
$2,296 USD
View
Final sale: no returns
Retailer 3
-
HK$18,666 HKD
$2,379 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
HK$25,471 HKD
£2,556 GBP
View
Retailer 5
-
HK$25,657 HKD
$3,270 USD
View
Price last confirmed 32 days ago
Retailer 6
-
HK$28,628 HKD
ZAR 58,945 ZAR
View
Price last confirmed 18 days ago
A
Retailer 7
-
HK$29,203 HKD
$3,722 USD
View
Retailer 8
-
HK$29,941 HKD
$3,816 USD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
HK$33,103 HKD
$4,219 USD
View
B+
Retailer 10
-
HK$34,588 HKD
A$6,782 AUD
View
B+
Retailer 11
-
HK$35,394 HKD
£3,552 GBP
View
B+
Retailer 12
-
HK$39,478 HKD
€4,792 EUR
View
B+
Retailer 13
-
HK$50,294 HKD
$6,410 USD
View
B
Retailer 14
-
HK$53,118 HKD
$6,770 USD
View
B
Retailer 15
-
HK$65,303 HKD
$8,323 USD
View
B
Retailer 16
-
HK$67,241 HKD
$8,570 USD
View
Most Expensive
B
Brilliant Earth
14113636A · Oct 31
HK$154,568 HKD
$19,700 USD
View
16 more retailers have this diamond
Prices start from HK$18,015 HKDSave up to HK$136,554 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
12.13ct Radiant
HK$18,015 HKD