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Radiant|Lab Grown|IGI

3.12ct D VS2 Radiant Lab Grown Diamond

EX • D/VS2 • IGI LG821637509

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

Certificate IGI LG821637509

Diamond specifications and retailer prices

From HK$3,397 HKD
$433 USD
As of October 27, 2026
Save HK$12,373 HKD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$15,770 HKD at Brilliance · As of October 27, 2026
View at Brilliance

About this 3.12ct lab-grown radiant diamond

This 3.12ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821637509 or 821637509. Listed at 17 retailers as of October 27, 2026, with prices from HK$3,397 to HK$15,770, a HK$12,373 spread on the same certified stone. Brilliance lists it at HK$15,770. 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

3.12
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821637509
Dimensions10.47 × 7.10 × 4.46 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.47 mm7.10 mm3.12 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821637509
Side View
Table 67.0%Crown 44.9°Girdle: MED-STKPavilion 30.5°Culet: NoneDepth 62.8%

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 27
Current: HK$15,770 HKD|Low: HK$4,213 HKD|High: HK$16,002 HKD|Avg: HK$9,986 HKD
Brilliance
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
October 29, 2026
Retailer 13HK$4,213 HKD
Retailer 9HK$5,335 HKD
Retailer 8HK$5,542 HKD
Retailer 12HK$5,649 HKD
Retailer 2HK$6,932 HKD
Retailer 10HK$7,035 HKD
Retailer 3HK$10,254 HKD
Retailer 11HK$11,816 HKD
Retailer 5HK$12,316 HKD
Retailer 4HK$13,365 HKD
Retailer 14HK$13,542 HKD
Retailer 6HK$13,794 HKD
Retailer 7HK$15,554 HKD
BrillianceHK$15,770 HKD

43 data points across 14 retailers

17 retailersHK$3,397 HKD to HK$15,770 HKD

A
Cheapest Retailer
-
HK$3,397 HKD
$433 USD
A
Retailer 2
-
HK$3,805 HKD
$485 USD
View
A
Retailer 3
-
HK$4,213 HKD
$537 USD
View
A
Retailer 4
-
HK$4,213 HKD
$537 USD
View
A
Retailer 5
-
HK$5,335 HKD
$680 USD
View
A
Retailer 6
-
HK$5,542 HKD
£556 GBP
View
B+
Retailer 7
-
HK$5,649 HKD
$720 USD
View
A
Retailer 8
-
HK$6,932 HKD
£696 GBP
View
Retailer 9
-
HK$7,035 HKD
€854 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
HK$10,254 HKD
$1,307 USD
View
B+
Retailer 11
-
HK$11,816 HKD
$1,506 USD
View
B+
Retailer 12
-
HK$12,316 HKD
£1,236 GBP
View
B+
Retailer 13
-
HK$13,365 HKD
SGD 2,302 SGD
View
B+
Retailer 14
-
HK$13,542 HKD
$1,726 USD
View
Retailer 15
-
HK$13,794 HKD
$1,758 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
HK$15,554 HKD
£1,561 GBP
View
Most Expensive
B
Brilliance
D44182452 · Oct 27
HK$15,770 HKD
$2,010 USD
View
16 more retailers have this diamond
Prices start from HK$3,397 HKDSave up to HK$12,373 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
3.12ct Radiant
HK$3,397 HKD