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Round|Lab Grown|IGI

3.90ct F VS2 Round Lab Grown Diamond

EX • F/VS2 • IGI LG760517946

Shape and cutting style on the report: Round brilliant

Certificate IGI LG760517946

Diamond specifications and retailer prices

From £324 GBP
$434 USD
As of October 29, 2026
Save £1,613 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,959 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG760517946 or 760517946. Listed at 15 retailers as of October 28, 2026, with a 498% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760517946
Dimensions10.06 × 9.99 × 6.14 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
10.06 mm9.99 mm3.90 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760517946
Side View
Table 61.0%Crown 35.2°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 61.3%

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: £1,959 GBP|Low: £324 GBP|High: £1,982 GBP|Avg: £1,128 GBP|-1.1%
Rare Carat
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
October 29, 2026
Retailer 5£324 GBP
Retailer 14£363 GBP
Retailer 9£511 GBP
Retailer 11£517 GBP
Retailer 2£639 GBP
Retailer 6£690 GBP
Retailer 16£708 GBP
Retailer 12£1,127 GBP
Retailer 7£1,247 GBP
Retailer 3£1,292 GBP
Retailer 8£1,368 GBP
Retailer 15£1,405 GBP
Retailer 10£1,479 GBP
Retailer 4£1,628 GBP
Retailer 13£1,813 GBP
Rare Carat£1,959 GBP

30 data points across 16 retailers

15 retailers£324 GBP to £1,937 GBP

A
Cheapest Retailer
-
£324 GBP
$434 USD
A
Retailer 2
-
£363 GBP
$486 USD
View
A
Retailer 3
-
£511 GBP
$685 USD
View
Retailer 4
-
£517 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£639 GBP
€816 EUR
View
A
Retailer 6
-
£708 GBP
$948 USD
View
B+
Retailer 7
-
£1,127 GBP
$1,510 USD
View
B+
Retailer 8
-
£1,292 GBP
$1,731 USD
View
B+
Retailer 9
-
£1,405 GBP
$1,883 USD
View
B+
Retailer 10
-
£1,479 GBP
View
Retailer 11
-
£1,628 GBP
SGD 2,947 SGD
View
Price last confirmed 17 days ago
B
Retailer 12
-
£1,813 GBP
$2,429 USD
View
B
Retailer 13
-
£1,937 GBP
$2,595 USD
View
Retailer 14
-
£1,959 GBP
$2,625 USD
View
Price last confirmed 12 days ago
Most Expensive
Rare Carat
924964 · Oct 18
£1,959 GBP
$2,625 USD
View
Price last confirmed 12 days ago
14 more retailers have this diamond
Prices start from £324 GBPSave up to £1,613 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
£324 GBP