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Round|Lab Grown|IGI

3.71ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG774671559

Shape and cutting style on the report: Round brilliant

Certificate IGI LG774671559

Diamond specifications and retailer prices

From £638 GBP
$850 USD
As of October 28, 2026
Save £2,816 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,454 GBP at Do Amore Diamonds · As of October 23, 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 LG774671559 or 774671559. Listed at 17 retailers as of October 23, 2026, with prices from £638 to £3,454, a £2,816 spread on the same certified stone. Do Amore Diamonds lists it at £3,454. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774671559
Dimensions10.17 × 10.21 × 5.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.17 mm10.21 mm3.71 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774671559
Side View
Table 58.0%Crown 33°Girdle: MediumPavilion 40.2°Culet: NoneDepth 58.3%

Caratlytics Score

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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 28
Current: £3,454 GBP|Low: £309 GBP|High: £3,454 GBP|Avg: £1,330 GBP
Do Amore Diamonds
Retailer 2
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Retailer 19
October 24, 2026
Retailer 18£388 GBP
Retailer 3£434 GBP
Retailer 11£471 GBP
Retailer 17£638 GBP
Retailer 7£672 GBP
Retailer 10£678 GBP
Retailer 2£767 GBP
Retailer 12£797 GBP
Retailer 8£815 GBP
Retailer 13£1,130 GBP
Retailer 14£1,143 GBP
Retailer 16£1,244 GBP
Retailer 4£1,545 GBP
Retailer 6£1,646 GBP
Retailer 19£1,786 GBP
Retailer 5£1,811 GBP
Retailer 15£2,321 GBP
Retailer 9£3,034 GBP
Do Amore Diamonds£3,454 GBP

36 data points across 19 retailers

17 retailers£638 GBP to £3,454 GBP

Retailer 1
-
£388 GBP
$517 USD
Price last confirmed 9 days ago
Retailer 2
-
£436 GBP
$580 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£482 GBP
$642 USD
View
Price last confirmed 8 days ago
Retailer 4
-
£482 GBP
$642 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£638 GBP
$850 USD
View
A
Retailer 6
-
£767 GBP
$1,022 USD
View
A
Retailer 7
-
£797 GBP
View
Retailer 8
-
£1,130 GBP
A$2,315 AUD
View
Price last confirmed 9 days ago
Retailer 9
-
£1,143 GBP
ZAR 24,580 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 10
-
£1,244 GBP
$1,656 USD
View
Retailer 11
-
£1,399 GBP
$1,863 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£1,545 GBP
View
B
Retailer 13
-
£1,646 GBP
$2,192 USD
View
Retailer 14
-
£1,786 GBP
$2,379 USD
View
Price last confirmed 7 days ago
Retailer 15
-
£1,811 GBP
$2,412 USD
View
Price last confirmed 8 days ago
Retailer 16
-
£2,321 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-6AC241CD7 · Oct 23
£3,454 GBP
$4,600 USD
View
16 more retailers have this diamond
Prices start from £638 GBPSave up to £2,816 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
£638 GBP