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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 £22,112 GBP
As of October 30, 2026
Save £28,303 GBP (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £55,352 GBP 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 29, 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: Oct 30
Current: £55,352 GBP|Low: £22,037 GBP|High: £75,846 GBP|Avg: £37,849 GBP|-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
October 30, 2026
Retailer 2£22,112 GBP
Retailer 3£23,152 GBP
Retailer 4£24,780 GBP
Retailer 9£25,555 GBP
Retailer 11£28,451 GBP
Retailer 8£29,206 GBP
Retailer 13£29,644 GBP
Retailer 7£29,755 GBP
Retailer 5£34,310 GBP
Retailer 10£47,232 GBP
Retailer 12£47,929 GBP
Retailer 6£50,415 GBP
Aida Diamonds£55,352 GBP

31 data points across 13 retailers

13 retailers£22,112 GBP to £50,415 GBP

B+
Cheapest Retailer
-
£22,112 GBP
B+
Retailer 2
-
£23,152 GBP
$31,021 USD
View
B
Retailer 3
-
£24,780 GBP
$33,203 USD
View
B
Retailer 4
-
£25,555 GBP
$34,241 USD
View
B
Retailer 5
-
£28,451 GBP
$38,121 USD
View
B
Retailer 6
-
£29,206 GBP
$39,133 USD
View
B
Retailer 7
-
£29,644 GBP
$39,720 USD
View
Retailer 8
-
£29,644 GBP
$39,720 USD
View
Price last confirmed 18 days ago
B
Retailer 9
-
£29,755 GBP
View
B
Retailer 10
-
£47,232 GBP
$63,286 USD
View
B
Retailer 11
-
£47,929 GBP
$64,220 USD
View
B
Retailer 12
-
£50,415 GBP
€64,334 EUR
View
Most Expensive
Aida Diamonds
487358941 · Oct 22
£55,352 GBP
A$114,101 AUD
View
Price under review
12 more retailers have this diamond
Prices start from £22,112 GBPSave up to £28,303 GBP

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
£22,112 GBP