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Radiant|Lab Grown|IGI

12.56ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG603334337

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

Certificate IGI LG603334337

Diamond specifications and retailer prices

From HK$31,698 HKD
$4,040 USD
As of November 2, 2026
Save HK$128,362 HKD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$160,060 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.56ct lab-grown radiant diamond

This 12.56ct 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 LG603334337 or 603334337. Listed at 20 retailers as of November 2, 2026, with prices from HK$31,698 to HK$160,060, a HK$128,362 spread on the same certified stone. Brilliant Earth lists it at HK$160,060. 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

12.56
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603334337
Dimensions14.83 × 12.00 × 8.25 mm
L/W Ratio1.24
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
14.83 mm12.00 mm12.56 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603334337
Side View
Table 69.0%Crown 45.3°Girdle: MediumPavilion 37.8°Culet: NoneDepth 68.8%

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 2
Current: HK$160,060 HKD|Low: HK$30,427 HKD|High: HK$160,060 HKD|Avg: HK$59,296 HKD
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
November 2, 2026
Retailer 11HK$31,698 HKD
Retailer 3HK$35,488 HKD
Retailer 12HK$36,767 HKD
Retailer 8HK$36,798 HKD
Retailer 13HK$37,559 HKD
Retailer 2HK$47,900 HKD
Retailer 9HK$48,764 HKD
Retailer 4HK$51,537 HKD
Retailer 7HK$56,907 HKD
Retailer 10HK$56,939 HKD
Retailer 6HK$69,148 HKD
Retailer 5HK$93,225 HKD
Brilliant EarthHK$160,060 HKD

42 data points across 13 retailers

20 retailersHK$31,698 HKD to HK$160,060 HKD

A
Cheapest Retailer
-
HK$31,698 HKD
$4,040 USD
A
Retailer 2
-
HK$33,220 HKD
$4,234 USD
View
A
Retailer 3
-
HK$35,488 HKD
$4,523 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$36,767 HKD
$4,686 USD
View
Retailer 5
-
HK$36,767 HKD
$4,686 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
HK$36,798 HKD
$4,690 USD
View
B+
Retailer 7
-
HK$37,559 HKD
$4,787 USD
View
B+
Retailer 8
-
HK$43,386 HKD
View
B+
Retailer 9
-
HK$45,947 HKD
$5,856 USD
View
B+
Retailer 10
-
HK$47,900 HKD
£4,807 GBP
View
B+
Retailer 11
-
HK$48,764 HKD
$6,215 USD
View
B+
Retailer 12
-
HK$51,537 HKD
£5,172 GBP
View
B+
Retailer 13
-
HK$56,907 HKD
ZAR 117,171 ZAR
View
B+
Retailer 14
-
HK$56,939 HKD
$7,257 USD
View
B
Retailer 15
-
HK$69,148 HKD
$8,813 USD
View
B
Retailer 16
-
HK$76,994 HKD
$9,813 USD
View
Retailer 17
-
HK$93,225 HKD
$11,882 USD
View
Price last confirmed 21 days ago
B
Retailer 18
-
HK$102,119 HKD
$13,015 USD
View
B
Retailer 19
-
HK$130,529 HKD
$16,636 USD
View
Most Expensive
B
Brilliant Earth
10597375A · Nov 2
HK$160,060 HKD
$20,400 USD
View
19 more retailers have this diamond
Prices start from HK$31,698 HKDSave up to HK$128,362 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
12.56ct Radiant
HK$31,698 HKD