CaratHunter
Plans
Round|Lab Grown|IGI

31.53ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG755516133

Shape and cutting style on the report: Round brilliant

Certificate IGI LG755516133

Diamond specifications and retailer prices

From £26,028 GBP
$34,875 USD
As of October 30, 2026
Save £26,806 GBP (51%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £52,834 GBP at Yorxs · As of October 31, 2026
View at Yorxs

About this 31.53ct lab-grown round diamond

This 31.53ct 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 LG755516133 or 755516133. Listed at 8 retailers as of October 30, 2026, with prices from £26,028 to £52,834, a £26,806 spread on the same certified stone. Yorxs lists it at £52,834. 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

31.53
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG755516133
Dimensions20.40 × 20.33 × 12.38 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
20.40 mm20.33 mm31.53 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG755516133
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £51,698 GBP|Low: £26,028 GBP|High: £214,139 GBP|Avg: £64,652 GBP|-8.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
October 31, 2026
Retailer 5£26,028 GBP
Retailer 6£27,663 GBP
Retailer 2£29,891 GBP
Retailer 4£31,147 GBP
Retailer 3£50,340 GBP
Retailer 1£51,698 GBP
Yorxs£52,834 GBP
Retailer 7£214,139 GBP

20 data points across 8 retailers

8 retailers£26,028 GBP to £52,834 GBP

B
Cheapest Retailer
-
£26,028 GBP
$34,875 USD
B
Retailer 2
-
£27,066 GBP
$36,265 USD
View
Retailer 3
-
£27,663 GBP
$37,065 USD
View
Price last confirmed 111 days ago
B
Retailer 4
-
£29,891 GBP
$40,050 USD
View
Retailer 5
-
£31,147 GBP
$41,733 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
£50,340 GBP
$67,450 USD
View
B
Retailer 7
-
£51,698 GBP
$69,270 USD
View
Most Expensive
B
Yorxs
556177571 · Oct 31
£52,834 GBP
€67,421 EUR
View
7 more retailers have this diamond
Prices start from £26,028 GBPSave up to £26,806 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
31.53ct Round
£26,028 GBP