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Oval|Lab Grown|IGI

30.57ct G VS2 Oval Lab Grown Diamond

EX • G/VS2 • IGI LG775604746

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG775604746

Diamond specifications and retailer prices

From HK$118,847 HKD
£11,928 GBP
As of October 30, 2026
Save HK$322,607 HKD (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$441,454 HKD at Adiamor · As of October 31, 2026
View at Adiamor

About this 30.57ct lab-grown oval diamond

This 30.57ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG775604746 or 775604746. Listed at 9 retailers as of October 30, 2026, with prices from HK$118,847 to HK$441,454, a HK$322,607 spread on the same certified stone. Adiamor lists it at HK$441,454. 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

30.57
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775604746
Dimensions25.23 × 17.78 × 10.77 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
25.23 mm17.78 mm30.57 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775604746
Side View
Table 61.0%Crown 36.1°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 60.6%

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$441,454 HKD|Low: HK$89,987 HKD|High: HK$2,572,317 HKD|Avg: HK$515,836 HKD|-11.7%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3HK$118,847 HKD
Retailer 4HK$156,522 HKD
Retailer 9HK$172,951 HKD
Retailer 5HK$173,068 HKD
Retailer 7HK$196,809 HKD
Retailer 6HK$199,163 HKD
Retailer 2HK$336,563 HKD
Retailer 8HK$390,245 HKD
AdiamorHK$441,454 HKD
Retailer 10HK$2,572,317 HKD

30 data points across 10 retailers

9 retailersHK$118,847 HKD to HK$441,454 HKD

B+
Cheapest Retailer
-
HK$118,847 HKD
£11,928 GBP
Retailer 2
-
HK$156,522 HKD
$19,950 USD
View
Price last confirmed 13 days ago
B
Retailer 3
-
HK$172,951 HKD
$22,044 USD
View
B
Retailer 4
-
HK$173,068 HKD
$22,059 USD
View
B
Retailer 5
-
HK$196,809 HKD
$25,085 USD
View
Retailer 6
-
HK$199,163 HKD
$25,385 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
HK$336,563 HKD
€40,855 EUR
View
B
Retailer 8
-
HK$390,245 HKD
$49,740 USD
View
Most Expensive
B
Adiamor
D-82353212 · Oct 31
HK$441,454 HKD
$56,267 USD
View
8 more retailers have this diamond
Prices start from HK$118,847 HKDSave up to HK$322,607 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+
30.57ct Oval
HK$118,847 HKD