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Round|Lab Grown|IGI

3.71ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG619457418

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619457418

Diamond specifications and retailer prices

From £448 GBP
$596 USD
As of October 29, 2026
Save £3,953 GBP (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,400 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 LG619457418 or 619457418. Listed at 23 retailers as of October 29, 2026, with prices from £448 to £4,400, a £3,953 spread on the same certified stone. Do Amore Diamonds lists it at £4,400. 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 angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619457418
Dimensions9.81 × 9.87 × 6.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
9.81 mm9.87 mm3.71 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619457418
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

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: £4,400 GBP|Low: £448 GBP|High: £4,400 GBP|Avg: £1,446 GBP|+23.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 2£448 GBP
Retailer 4£656 GBP
Retailer 15£657 GBP
Retailer 11£736 GBP
Retailer 3£760 GBP
Retailer 14£848 GBP
Retailer 5£1,164 GBP
Retailer 12£1,189 GBP
Retailer 10£1,223 GBP
Retailer 17£1,280 GBP
Retailer 16£1,596 GBP
Retailer 9£1,682 GBP
Retailer 13£2,270 GBP
Retailer 6£2,288 GBP
Retailer 7£2,390 GBP
Retailer 8£2,601 GBP
Do Amore Diamonds£4,400 GBP

38 data points across 17 retailers

23 retailers£448 GBP to £4,400 GBP

Retailer 1
-
£400 GBP
$533 USD
Price last confirmed 11 days ago
A
Retailer 2
-
£448 GBP
$596 USD
View
Final sale: no returns
Retailer 3
-
£496 GBP
$661 USD
View
Price last confirmed 10 days ago
Retailer 4
-
£496 GBP
$661 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£656 GBP
$874 USD
View
A
Retailer 6
-
£657 GBP
$875 USD
View
A
Retailer 7
-
£736 GBP
View
A
Retailer 8
-
£760 GBP
$1,012 USD
View
A
Retailer 9
-
£848 GBP
View
Retailer 10
-
£1,164 GBP
A$2,384 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£1,189 GBP
ZAR 25,584 ZAR
View
B+
Retailer 12
-
£1,223 GBP
$1,628 USD
View
B+
Retailer 13
-
£1,280 GBP
$1,705 USD
View
Retailer 14
-
£1,440 GBP
$1,918 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
£1,596 GBP
$2,126 USD
View
Retailer 16
-
£1,682 GBP
$2,240 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
£1,703 GBP
CA$3,150 CAD
View
Retailer 18
-
£1,959 GBP
$2,609 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
£2,270 GBP
$3,022 USD
View
B
Retailer 20
-
£2,288 GBP
SGD 4,118 SGD
View
Retailer 21
-
£2,390 GBP
View
Price last confirmed 10 days ago
B
Retailer 22
-
£2,601 GBP
$3,464 USD
View
Most Expensive
B
Do Amore Diamonds
27-790F2C0AB · Oct 29
£4,400 GBP
$5,860 USD
View
22 more retailers have this diamond
Prices start from £448 GBPSave up to £3,953 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
£448 GBP