Round|Lab Grown|IGI

31.07ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG730502869

Shape and cutting style on the report: Round brilliant

Certificate IGI LG730502869

Diamond specifications and retailer prices

From HK$192,549 HKD
£19,324 GBP
As of October 30, 2026
Save HK$354,758 HKD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$547,307 HKD at Yorxs · As of October 31, 2026
View at Yorxs

About this 31.07ct lab-grown round diamond

This 31.07ct lab-grown round 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 LG730502869 or 730502869. Listed at 8 retailers as of October 30, 2026, with prices from HK$192,549 to HK$547,307, a HK$354,758 spread on the same certified stone. Yorxs lists it at HK$547,307. 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

31.07
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG730502869
Dimensions20.00 × 20.07 × 12.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
20.00 mm20.07 mm31.07 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG730502869
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 30
Current: HK$192,549 HKD|Low: HK$191,902 HKD|High: HK$802,462 HKD|Avg: HK$397,110 HKD|-32.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
October 31, 2026
Retailer 1HK$192,549 HKD
Retailer 6HK$269,680 HKD
Retailer 7HK$286,569 HKD
Retailer 3HK$309,662 HKD
Retailer 5HK$322,678 HKD
Retailer 4HK$521,582 HKD
Retailer 2HK$529,130 HKD
YorxsHK$547,307 HKD

35 data points across 8 retailers

8 retailersHK$192,549 HKD to HK$547,307 HKD

B+
Cheapest Retailer
-
HK$192,549 HKD
£19,324 GBP
B
Retailer 2
-
HK$269,680 HKD
$34,373 USD
View
B
Retailer 3
-
HK$280,397 HKD
$35,739 USD
View
B
Retailer 4
-
HK$309,662 HKD
$39,469 USD
View
Retailer 5
-
HK$322,678 HKD
$41,128 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
HK$521,582 HKD
$66,480 USD
View
B
Retailer 7
-
HK$529,130 HKD
$67,442 USD
View
Most Expensive
B
Yorxs
616839392 · Oct 31
HK$547,307 HKD
€66,437 EUR
View
7 more retailers have this diamond
Prices start from HK$192,549 HKDSave up to HK$354,758 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+
31.07ct Round
HK$192,549 HKD