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Round|Lab Grown|IGI

3.90ct F VS2 Round Lab Grown Diamond

EX • F/VS2 • IGI LG837653639

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837653639

Diamond specifications and retailer prices

From £391 GBP
$524 USD
As of October 29, 2026
Save £2,776 GBP (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,167 GBP at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 3.9ct lab-grown round diamond

This 3.9ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837653639 or 837653639. Listed at 22 retailers as of October 29, 2026, with prices from £391 to £3,167, a £2,776 spread on the same certified stone. Helzberg Diamonds lists it at £3,167. 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

3.90
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837653639
Dimensions10.22 × 10.27 × 5.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.22 mm10.27 mm3.90 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837653639
Side View
Table 63.0%Crown 32.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 58.4%

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: £3,167 GBP|Low: £375 GBP|High: £3,167 GBP|Avg: £1,194 GBP
Helzberg Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 3£391 GBP
Retailer 5£438 GBP
Retailer 6£484 GBP
Retailer 10£484 GBP
Retailer 14£545 GBP
Retailer 13£586 GBP
Retailer 17£622 GBP
Retailer 22£649 GBP
Retailer 19£730 GBP
Retailer 2£749 GBP
Retailer 9£776 GBP
Retailer 16£1,092 GBP
Retailer 8£1,147 GBP
Retailer 12£1,275 GBP
Retailer 4£1,410 GBP
Retailer 15£1,562 GBP
Retailer 11£1,576 GBP
Retailer 7£1,797 GBP
Retailer 21£1,982 GBP
Retailer 18£2,034 GBP
Retailer 20£2,791 GBP
Helzberg Diamonds£3,167 GBP

34 data points across 22 retailers

22 retailers£391 GBP to £3,167 GBP

A
Cheapest Retailer
-
£391 GBP
$524 USD
A
Retailer 2
-
£438 GBP
$587 USD
View
Retailer 3
-
£484 GBP
$649 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
£484 GBP
$649 USD
View
A
Retailer 5
-
£545 GBP
HK$5,700 HKD
View
A
Retailer 6
-
£586 GBP
$785 USD
View
A
Retailer 7
-
£622 GBP
View
B+
Retailer 8
-
£649 GBP
$870 USD
View
A
Retailer 9
-
£730 GBP
€931 EUR
View
A
Retailer 10
-
£749 GBP
View
A
Retailer 11
-
£776 GBP
$1,040 USD
View
B+
Retailer 12
-
£1,092 GBP
$1,463 USD
View
B+
Retailer 13
-
£1,147 GBP
$1,537 USD
View
B+
Retailer 14
-
£1,275 GBP
$1,708 USD
View
B+
Retailer 15
-
£1,410 GBP
View
B
Retailer 16
-
£1,562 GBP
SGD 2,829 SGD
View
B
Retailer 17
-
£1,576 GBP
$2,111 USD
View
B
Retailer 18
-
£1,797 GBP
$2,408 USD
View
Retailer 19
-
£1,982 GBP
$2,655 USD
View
Price last confirmed 13 days ago
B
Retailer 20
-
£2,034 GBP
View
B
Retailer 21
-
£2,791 GBP
$3,740 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJNMLJMJP · Oct 31
£3,167 GBP
$4,244 USD
View
21 more retailers have this diamond
Prices start from £391 GBPSave up to £2,776 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
3.90ct Round
£391 GBP