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Round|Lab Grown|IGI

2.31ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG550268075

Shape and cutting style on the report: Round brilliant

Certificate IGI LG550268075

Diamond specifications and retailer prices

From £323 GBP
$433 USD
As of October 29, 2026
Save £1,176 GBP (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,499 GBP at Brilliance · As of October 30, 2026
View at Brilliance

About this 2.31ct lab-grown round diamond

This 2.31ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG550268075 or 550268075. Listed at 18 retailers as of October 29, 2026, with prices from £323 to £1,499, a £1,176 spread on the same certified stone. Brilliance lists it at £1,499. 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

2.31
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550268075
Dimensions8.53 × 8.49 × 5.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.53 mm8.49 mm2.31 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550268075
Side View
Table 60.5%Crown 32.8°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,499 GBP|Low: £309 GBP|High: £1,640 GBP|Avg: £804 GBP|-8.6%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 14£323 GBP
Retailer 5£362 GBP
Retailer 8£362 GBP
Retailer 4£401 GBP
Retailer 16£401 GBP
Retailer 10£508 GBP
Retailer 6£593 GBP
Retailer 7£603 GBP
Retailer 17£630 GBP
Retailer 2£659 GBP
Retailer 13£1,124 GBP
Retailer 12£1,172 GBP
Retailer 3£1,287 GBP
Retailer 9£1,312 GBP
Retailer 15£1,328 GBP
Retailer 11£1,474 GBP
Brilliance£1,499 GBP

42 data points across 17 retailers

18 retailers£323 GBP to £1,499 GBP

A
Cheapest Retailer
-
£323 GBP
$433 USD
A
Retailer 2
-
£362 GBP
$485 USD
View
Final sale: no returns
A
Retailer 3
-
£362 GBP
$485 USD
View
A
Retailer 4
-
£401 GBP
$537 USD
View
A
Retailer 5
-
£401 GBP
$537 USD
View
A
Retailer 6
-
£508 GBP
$680 USD
View
A
Retailer 7
-
£593 GBP
$795 USD
View
B+
Retailer 8
-
£603 GBP
$808 USD
View
B+
Retailer 9
-
£630 GBP
$844 USD
View
B+
Retailer 10
-
£659 GBP
View
B
Retailer 11
-
£1,070 GBP
HK$11,200 HKD
View
B
Retailer 12
-
£1,124 GBP
$1,506 USD
View
B
Retailer 13
-
£1,172 GBP
View
B
Retailer 14
-
£1,287 GBP
$1,725 USD
View
Retailer 15
-
£1,312 GBP
$1,757 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
£1,328 GBP
$1,780 USD
View
B
Retailer 17
-
£1,474 GBP
View
Most Expensive
B
Brilliance
D24052030 · Oct 30
£1,499 GBP
$2,009 USD
View
17 more retailers have this diamond
Prices start from £323 GBPSave up to £1,176 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.

A
2.31ct Round
£323 GBP