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Radiant|Lab Grown|IGI

12.57ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG722555615

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

Certificate IGI LG722555615

Diamond specifications and retailer prices

From HK$32,569 HKD
$4,151 USD
As of November 1, 2026
Save HK$99,740 HKD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$217,572 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 12.57ct lab-grown radiant diamond

This 12.57ct 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 LG722555615 or 722555615. Listed at 20 retailers as of October 31, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

12.57
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.8°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722555615
Dimensions17.13 × 11.02 × 7.06 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.13 mm11.02 mm12.57 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722555615
Side View
Table 62.0%Crown 50.8°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 64.1%

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$217,572 HKD|Low: HK$32,569 HKD|High: HK$217,572 HKD|Avg: HK$64,124 HKD
Do Amore Diamonds
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 4HK$32,569 HKD
Retailer 7HK$33,738 HKD
Retailer 13HK$33,738 HKD
Retailer 3HK$35,974 HKD
Retailer 10HK$45,625 HKD
Retailer 11HK$48,112 HKD
Retailer 2HK$48,549 HKD
Retailer 9HK$50,333 HKD
Retailer 5HK$52,254 HKD
Retailer 8HK$57,641 HKD
Retailer 6HK$70,130 HKD
Retailer 12HK$85,358 HKD
Do Amore DiamondsHK$217,572 HKD

42 data points across 13 retailers

20 retailersHK$32,569 HKD to HK$132,309 HKD

Retailer 1
-
HK$27,924 HKD
$3,559 USD
Price last confirmed 31 days ago
Retailer 2
-
HK$31,643 HKD
$4,033 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
HK$32,569 HKD
$4,151 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$33,738 HKD
$4,300 USD
View
Retailer 5
-
HK$33,738 HKD
$4,300 USD
View
Price last confirmed 30 days ago
B+
Retailer 6
-
HK$35,974 HKD
$4,585 USD
View
B+
Retailer 7
-
HK$45,625 HKD
$5,815 USD
View
Retailer 8
-
HK$46,535 HKD
$5,931 USD
View
Price last confirmed 32 days ago
B+
Retailer 9
-
HK$48,112 HKD
$6,132 USD
View
B+
Retailer 10
-
HK$48,549 HKD
£4,872 GBP
View
Retailer 11
-
HK$50,333 HKD
$6,415 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
HK$52,254 HKD
£5,244 GBP
View
B+
Retailer 13
-
HK$57,641 HKD
ZAR 118,682 ZAR
View
B
Retailer 14
-
HK$59,026 HKD
$7,523 USD
View
B
Retailer 15
-
HK$70,130 HKD
A$13,751 AUD
View
B
Retailer 16
-
HK$85,358 HKD
$10,879 USD
View
B
Retailer 17
-
HK$92,876 HKD
$11,837 USD
View
B
Retailer 18
-
HK$132,309 HKD
$16,863 USD
View
Retailer 19
-
HK$200,076 HKD
$25,500 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-722555615 · Nov 2
HK$217,572 HKD
$27,730 USD
View
Price under review
19 more retailers have this diamond
Prices start from HK$32,569 HKDSave up to HK$99,740 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
12.57ct Radiant
HK$32,569 HKD