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Radiant|Lab Grown|IGI

12.70ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG812638491

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

Certificate IGI LG812638491

Diamond specifications and retailer prices

From HK$25,893 HKD
$3,300 USD
As of October 29, 2026
Save HK$66,490 HKD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$92,384 HKD at Adiamor · As of October 28, 2026
View at Adiamor

About this 12.7ct lab-grown radiant diamond

This 12.7ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812638491 or 812638491. Listed at 14 retailers as of October 28, 2026, with prices from HK$25,893 to HK$92,384, a HK$66,490 spread on the same certified stone. Adiamor lists it at HK$92,384. 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

12.70
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812638491
Dimensions15.88 × 11.33 × 7.63 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.88 mm11.33 mm12.70 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812638491
Side View
Table 63.0%Crown 45.8°Girdle: Slightly ThickPavilion 30.1°Culet: NoneDepth 67.3%

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: Oct 29
Current: HK$92,384 HKD|Low: HK$18,227 HKD|High: HK$92,384 HKD|Avg: HK$50,646 HKD|+0.0%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3HK$25,893 HKD
Retailer 4HK$26,450 HKD
Retailer 5HK$28,051 HKD
Retailer 6HK$29,706 HKD
Retailer 2HK$36,237 HKD
Retailer 7HK$38,526 HKD
Retailer 12HK$41,688 HKD
Retailer 11HK$45,201 HKD
Retailer 8HK$67,029 HKD
Retailer 9HK$67,361 HKD
Retailer 10HK$91,171 HKD
AdiamorHK$92,384 HKD

42 data points across 12 retailers

14 retailersHK$25,893 HKD to HK$92,384 HKD

A
Retailer 1
-
HK$21,891 HKD
$2,790 USD
Price last confirmed 24 days ago
A
Retailer 2
-
HK$25,893 HKD
$3,300 USD
View
Final sale: no returns
A
Retailer 3
-
HK$26,450 HKD
$3,371 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
HK$26,450 HKD
$3,371 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
HK$28,051 HKD
$3,575 USD
View
A
Retailer 6
-
HK$29,706 HKD
$3,786 USD
View
A
Retailer 7
-
HK$36,237 HKD
£3,636 GBP
View
A
Retailer 8
-
HK$38,526 HKD
$4,910 USD
View
A
Retailer 9
-
HK$41,688 HKD
$5,313 USD
View
A
Retailer 10
-
HK$45,201 HKD
£4,536 GBP
View
B+
Retailer 11
-
HK$67,029 HKD
$8,543 USD
View
B+
Retailer 12
-
HK$67,361 HKD
$8,585 USD
View
B
Retailer 13
-
HK$91,171 HKD
$11,620 USD
View
Most Expensive
B
Adiamor
D-82381377 · Oct 28
HK$92,384 HKD
$11,774 USD
View
13 more retailers have this diamond
Prices start from HK$25,893 HKDSave up to HK$66,490 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
12.70ct Radiant
HK$25,893 HKD