CaratHunter
Plans
Round|Lab Grown|IGI

3.90ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG758548915

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758548915

Diamond specifications and retailer prices

From £396 GBP
$527 USD
As of October 29, 2026
Save £4,237 GBP (91%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,633 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG758548915 or 758548915. Listed at 18 retailers as of October 29, 2026, with prices from £396 to £4,633, a £4,237 spread on the same certified stone. Brilliant Earth lists it at £4,633. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758548915
Dimensions10.06 × 10.01 × 6.23 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
10.06 mm10.01 mm3.90 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758548915
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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 29
Current: £4,633 GBP|Low: £416 GBP|High: £4,678 GBP|Avg: £1,533 GBP
Brilliant Earth
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
October 30, 2026
Retailer 15£443 GBP
Retailer 10£638 GBP
Retailer 4£650 GBP
Retailer 9£653 GBP
Retailer 2£695 GBP
Retailer 8£789 GBP
Retailer 3£909 GBP
Retailer 7£1,063 GBP
Retailer 6£1,211 GBP
Retailer 13£1,265 GBP
Retailer 5£1,960 GBP
Retailer 11£2,363 GBP
Retailer 14£2,658 GBP
Retailer 12£3,056 GBP
Brilliant Earth£4,633 GBP

37 data points across 15 retailers

18 retailers£396 GBP to £4,633 GBP

A
Cheapest Retailer
-
£396 GBP
$527 USD
A
Retailer 2
-
£443 GBP
$590 USD
View
Retailer 3
-
£638 GBP
$850 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
£650 GBP
$866 USD
View
A
Retailer 5
-
£653 GBP
$870 USD
View
A
Retailer 6
-
£695 GBP
View
A
Retailer 7
-
£789 GBP
€1,001 EUR
View
A
Retailer 8
-
£909 GBP
$1,211 USD
View
B+
Retailer 9
-
£1,063 GBP
A$2,178 AUD
View
B+
Retailer 10
-
£1,211 GBP
$1,613 USD
View
B+
Retailer 11
-
£1,265 GBP
$1,685 USD
View
B+
Retailer 12
-
£1,424 GBP
$1,896 USD
View
Retailer 13
-
£1,960 GBP
A$4,015 AUD
View
Price last confirmed 22 days ago
B
Retailer 14
-
£2,363 GBP
View
B
Retailer 15
-
£2,658 GBP
$3,540 USD
View
B
Retailer 16
-
£3,056 GBP
$4,070 USD
View
B
Retailer 17
-
£3,514 GBP
$4,680 USD
View
Most Expensive
B
Brilliant Earth
21651292A · Oct 29
£4,633 GBP
$6,170 USD
View
17 more retailers have this diamond
Prices start from £396 GBPSave up to £4,237 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
£396 GBP