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Round|Lab Grown|IGI

3.71ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG720597797

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720597797

Diamond specifications and retailer prices

From £444 GBP
$591 USD
As of October 29, 2026
Save £1,947 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,391 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 3.71ct lab-grown round diamond

This 3.71ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720597797 or 720597797. Listed at 14 retailers as of October 26, 2026, with prices from £444 to £2,391, a £1,947 spread on the same certified stone. MOH London lists it at £2,391. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720597797
Dimensions10.11 × 10.01 × 6.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.11 mm10.01 mm3.71 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720597797
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.0%

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 29
Current: £2,391 GBP|Low: £391 GBP|High: £2,416 GBP|Avg: £977 GBP|+13.4%
MOH London
Retailer 2
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 15
October 30, 2026
Retailer 15£444 GBP
Retailer 7£456 GBP
Retailer 6£496 GBP
Retailer 4£550 GBP
Retailer 13£550 GBP
Retailer 9£650 GBP
Retailer 12£844 GBP
Retailer 2£857 GBP
Retailer 3£995 GBP
Retailer 10£1,169 GBP
Retailer 8£1,194 GBP
Retailer 11£1,364 GBP
Retailer 5£1,446 GBP
Retailer 14£1,755 GBP
MOH London£2,391 GBP

38 data points across 15 retailers

14 retailers£444 GBP to £2,391 GBP

A
Cheapest Retailer
-
£444 GBP
$591 USD
A
Retailer 2
-
£496 GBP
$661 USD
View
A
Retailer 3
-
£550 GBP
$732 USD
View
Retailer 4
-
£550 GBP
$732 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£650 GBP
$865 USD
View
A
Retailer 6
-
£844 GBP
$1,124 USD
View
A
Retailer 7
-
£857 GBP
View
B+
Retailer 8
-
£995 GBP
$1,325 USD
View
Retailer 9
-
£1,169 GBP
A$2,394 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£1,194 GBP
ZAR 25,693 ZAR
View
B
Retailer 11
-
£1,364 GBP
$1,817 USD
View
B+
Retailer 12
-
£1,446 GBP
$1,926 USD
View
B
Retailer 13
-
£1,755 GBP
$2,337 USD
View
Most Expensive
B
MOH London
LG720597797 · Oct 26
£2,391 GBP
View
13 more retailers have this diamond
Prices start from £444 GBPSave up to £1,947 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 Round
£444 GBP