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Round|Lab Grown|IGI

3.71ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG602316630

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602316630

Diamond specifications and retailer prices

From £476 GBP
$634 USD
As of October 29, 2026
Save £3,752 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,228 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG602316630 or 602316630. Listed at 17 retailers as of October 29, 2026, with prices from £476 to £4,228, a £3,752 spread on the same certified stone. Do Amore Diamonds lists it at £4,228. 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 angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602316630
Dimensions9.90 × 9.94 × 6.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
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
9.90 mm9.94 mm3.71 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602316630
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

Caratlytics Score

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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: £4,228 GBP|Low: £476 GBP|High: £4,228 GBP|Avg: £1,371 GBP
Do Amore Diamonds
Retailer 2
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October 30, 2026
Retailer 16£476 GBP
Retailer 15£518 GBP
Retailer 8£533 GBP
Retailer 4£553 GBP
Retailer 13£553 GBP
Retailer 9£776 GBP
Retailer 6£859 GBP
Retailer 12£876 GBP
Retailer 19£904 GBP
Retailer 2£974 GBP
Retailer 11£1,312 GBP
Retailer 18£1,412 GBP
Retailer 14£1,715 GBP
Retailer 5£1,884 GBP
Retailer 3£1,923 GBP
Retailer 10£1,980 GBP
Retailer 7£2,186 GBP
Retailer 17£2,399 GBP
Do Amore Diamonds£4,228 GBP

23 data points across 19 retailers

17 retailers£476 GBP to £4,228 GBP

A
Cheapest Retailer
-
£476 GBP
$634 USD
A
Retailer 2
-
£518 GBP
$690 USD
View
A
Retailer 3
-
£533 GBP
$710 USD
View
Final sale: no returns
Retailer 4
-
£553 GBP
$736 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£553 GBP
$736 USD
View
A
Retailer 6
-
£776 GBP
$1,033 USD
View
A
Retailer 7
-
£859 GBP
$1,144 USD
View
A
Retailer 8
-
£876 GBP
View
A
Retailer 9
-
£904 GBP
$1,204 USD
View
A
Retailer 10
-
£974 GBP
View
B+
Retailer 11
-
£1,412 GBP
$1,880 USD
View
B
Retailer 12
-
£1,715 GBP
$2,284 USD
View
B
Retailer 13
-
£1,884 GBP
$2,509 USD
View
B
Retailer 14
-
£1,923 GBP
$2,560 USD
View
B
Retailer 15
-
£2,186 GBP
$2,911 USD
View
B
Retailer 16
-
£2,399 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8B84DA750 · Oct 29
£4,228 GBP
$5,630 USD
View
16 more retailers have this diamond
Prices start from £476 GBPSave up to £3,752 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
£476 GBP