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Round|Lab Grown|IGI

30.00ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG720573739

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720573739

Diamond specifications and retailer prices

From HK$231,752 HKD
£23,259 GBP
As of November 1, 2026
Save HK$296,706 HKD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$581,881 HKD at Aida Diamonds · As of October 22, 2026
View at Aida Diamonds

About this 30ct lab-grown round diamond

This 30ct 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 LG720573739 or 720573739. Listed at 13 retailers as of October 31, 2026, with a 128% 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

30.00
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720573739
Dimensions19.89 × 19.80 × 12.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.89 mm19.80 mm30.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720573739
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

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: Nov 1
Current: HK$581,881 HKD|Low: HK$231,665 HKD|High: HK$797,324 HKD|Avg: HK$395,601 HKD|-27.0%
Aida Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 2HK$231,752 HKD
Retailer 3HK$243,381 HKD
Retailer 4HK$260,501 HKD
Retailer 9HK$268,645 HKD
Retailer 11HK$299,086 HKD
Retailer 8HK$307,026 HKD
Retailer 13HK$311,631 HKD
Retailer 6HK$314,702 HKD
Retailer 5HK$360,677 HKD
Retailer 10HK$496,523 HKD
Retailer 12HK$503,851 HKD
Retailer 7HK$528,458 HKD
Aida DiamondsHK$581,881 HKD

33 data points across 13 retailers

13 retailersHK$231,752 HKD to HK$528,458 HKD

B+
Cheapest Retailer
-
HK$231,752 HKD
£23,259 GBP
B+
Retailer 2
-
HK$243,381 HKD
$31,021 USD
View
B
Retailer 3
-
HK$260,501 HKD
$33,203 USD
View
B
Retailer 4
-
HK$268,645 HKD
$34,241 USD
View
B
Retailer 5
-
HK$299,086 HKD
$38,121 USD
View
B
Retailer 6
-
HK$307,026 HKD
$39,133 USD
View
B
Retailer 7
-
HK$311,631 HKD
$39,720 USD
View
Retailer 8
-
HK$311,631 HKD
$39,720 USD
View
Price last confirmed 19 days ago
B
Retailer 9
-
HK$314,702 HKD
£31,584 GBP
View
B
Retailer 10
-
HK$496,523 HKD
$63,286 USD
View
B
Retailer 11
-
HK$503,851 HKD
$64,220 USD
View
B
Retailer 12
-
HK$528,458 HKD
€64,149 EUR
View
Most Expensive
Aida Diamonds
487358941 · Oct 22
HK$581,881 HKD
A$114,101 AUD
View
Price under review
12 more retailers have this diamond
Prices start from HK$231,752 HKDSave up to HK$296,706 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+
30.00ct Round
HK$231,752 HKD