Radiant|Lab Grown|IGI

3.71ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG600328693

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

Certificate IGI LG600328693

Diamond specifications and retailer prices

From £628 GBP
$842 USD
As of October 30, 2026
Save £1,655 GBP (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,284 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.71ct lab-grown radiant diamond

This 3.71ct 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 LG600328693 or 600328693. Listed at 9 retailers as of October 29, 2026, with prices from £628 to £2,284, a £1,655 spread on the same certified stone. Brilliant Earth lists it at £2,284. 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

3.71
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600328693
Dimensions10.78 × 7.69 × 5.25 mm
L/W Ratio1.40
Culet sizePointed
Top View
10.78 mm7.69 mm3.71 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600328693
Side View
Table 65.0%Crown 45.5°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.3%

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: £2,284 GBP|Low: £588 GBP|High: £2,358 GBP|Avg: £1,187 GBP|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9£628 GBP
Retailer 2£659 GBP
Retailer 4£663 GBP
Retailer 6£699 GBP
Retailer 7£908 GBP
Retailer 8£1,307 GBP
Retailer 3£1,474 GBP
Retailer 5£1,858 GBP
Brilliant Earth£2,284 GBP

37 data points across 9 retailers

9 retailers£628 GBP to £2,284 GBP

B+
Cheapest Retailer
-
£628 GBP
$842 USD
A
Retailer 2
-
£659 GBP
View
A
Retailer 3
-
£663 GBP
€846 EUR
View
A
Retailer 4
-
£699 GBP
$937 USD
View
A
Retailer 5
-
£908 GBP
$1,216 USD
View
B+
Retailer 6
-
£1,214 GBP
View
Retailer 7
-
£1,307 GBP
$1,751 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£1,474 GBP
View
Most Expensive
B
Brilliant Earth
8229670A · Oct 29
£2,284 GBP
$3,060 USD
View
8 more retailers have this diamond
Prices start from £628 GBPSave up to £1,655 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
3.71ct Radiant
£628 GBP