Radiant|Lab Grown|IGI

3.10ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG851692475

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG851692475

Diamond specifications and retailer prices

From £328 GBP
$440 USD
As of October 30, 2026
Save £1,672 GBP (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,000 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851692475 or 851692475. Listed at 8 retailers as of October 30, 2026, with prices from £328 to £2,000, a £1,672 spread on the same certified stone. Brilliant Earth lists it at £2,000. 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

3.10
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851692475
Dimensions10.31 × 7.15 × 4.71 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.31 mm7.15 mm3.10 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851692475
Side View
Table 68.0%Crown 44.9°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 65.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £515 GBP|Low: £328 GBP|High: £1,293 GBP|Avg: £639 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4£328 GBP
Retailer 7£449 GBP
Retailer 5£461 GBP
Retailer 1£515 GBP
Retailer 3£640 GBP
Retailer 2£807 GBP
Retailer 6£1,293 GBP

2 data points across 7 retailers

8 retailers£328 GBP to £2,000 GBP

A
Cheapest Retailer
-
£328 GBP
$440 USD
A
Retailer 2
-
£449 GBP
HK$4,700 HKD
View
A
Retailer 3
-
£461 GBP
View
Retailer 4
-
£515 GBP
$690 USD
View
B+
Retailer 5
-
£640 GBP
$857 USD
View
A
Retailer 6
-
£807 GBP
$1,081 USD
View
B+
Retailer 7
-
£1,293 GBP
SGD 2,342 SGD
View
Most Expensive
B
Brilliant Earth
22369277A · Oct 30
£2,000 GBP
$2,680 USD
View
7 more retailers have this diamond
Prices start from £328 GBPSave up to £1,672 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
3.10ct Radiant
£328 GBP