CaratHunter
Plans
Emerald|Lab Grown|IGI

31.21ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG766696134

Shape and cutting style on the report: Emerald cut

Certificate IGI LG766696134

Diamond specifications and retailer prices

From HK$176,520 HKD
$22,497 USD
As of October 29, 2026
Save HK$168,105 HKD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$468,995 HKD at Adiamor · As of October 30, 2026
View at Adiamor

About this 31.21ct lab-grown emerald diamond

This 31.21ct lab-grown emerald 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 LG766696134 or 766696134. Listed at 8 retailers as of October 29, 2026, with a 95% 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

31.21
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle44.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766696134
Dimensions21.11 × 14.77 × 9.74 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
21.11 mm14.77 mm31.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766696134
Side View
Table 61.0%Crown 33.4°Girdle: Slightly ThickPavilion 44.9°Culet: LargeDepth 65.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$468,995 HKD|Low: HK$176,520 HKD|High: HK$1,989,700 HKD|Avg: HK$522,783 HKD|-7.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6HK$176,520 HKD
Retailer 8HK$185,898 HKD
Retailer 3HK$192,810 HKD
Retailer 5HK$203,316 HKD
Retailer 2HK$344,626 HKD
Retailer 4HK$425,275 HKD
Retailer 7HK$467,740 HKD
AdiamorHK$468,995 HKD
Retailer 9HK$1,989,700 HKD

20 data points across 9 retailers

8 retailersHK$176,520 HKD to HK$344,626 HKD

B+
Cheapest Retailer
-
HK$176,520 HKD
$22,497 USD
B+
Retailer 2
-
HK$176,670 HKD
$22,516 USD
View
B
Retailer 3
-
HK$192,810 HKD
$24,573 USD
View
Retailer 4
-
HK$203,316 HKD
$25,912 USD
View
Price last confirmed 17 days ago
B
Retailer 5
-
HK$344,626 HKD
€41,830 EUR
View
Retailer 6
-
HK$425,275 HKD
$54,200 USD
View
Price under review
Retailer 7
-
HK$467,740 HKD
$59,612 USD
View
Price under review
Most Expensive
Adiamor
D-72712088 · Oct 30
HK$468,995 HKD
$59,772 USD
View
Price under review
7 more retailers have this diamond
Prices start from HK$176,520 HKDSave up to HK$168,105 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.

B+
31.21ct Emerald
HK$176,520 HKD