CaratHunter
Plans
Cushion|Lab Grown|IGI

4.90ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG765602480

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG765602480

Diamond specifications and retailer prices

From £522 GBP
$701 USD
As of October 31, 2026
Save £2,425 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,947 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.9ct lab-grown cushion diamond

This 4.9ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG765602480 or 765602480. Listed at 12 retailers as of October 28, 2026, with prices from £522 to £2,947, a £2,425 spread on the same certified stone. Rare Carat lists it at £2,947. 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

4.90
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765602480
Dimensions9.63 × 9.22 × 5.97 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.63 mm9.22 mm4.90 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765602480
Side View
Table 64.0%Crown 37.7°Girdle: THK-VTKPavilion 34.6°Culet: NoneDepth 64.8%

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 31
Current: £901 GBP|Low: £522 GBP|High: £2,391 GBP|Avg: £1,365 GBP|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10£522 GBP
Retailer 4£674 GBP
Retailer 2£882 GBP
Retailer 11£888 GBP
Retailer 1£901 GBP
Retailer 7£1,502 GBP
Retailer 8£1,681 GBP
Retailer 6£1,816 GBP
Retailer 9£1,850 GBP
Retailer 3£1,871 GBP
Retailer 5£2,296 GBP

32 data points across 11 retailers

12 retailers£522 GBP to £2,947 GBP

A
Cheapest Retailer
-
£522 GBP
$701 USD
Final sale: no returns
A
Retailer 2
-
£674 GBP
$905 USD
View
A
Retailer 3
-
£882 GBP
$1,183 USD
View
B+
Retailer 4
-
£888 GBP
$1,191 USD
View
A
Retailer 5
-
£901 GBP
View
A
Retailer 6
-
£1,502 GBP
$2,015 USD
View
B+
Retailer 7
-
£1,681 GBP
View
B+
Retailer 8
-
£1,816 GBP
$2,438 USD
View
B+
Retailer 9
-
£1,850 GBP
$2,482 USD
View
B+
Retailer 10
-
£1,871 GBP
$2,511 USD
View
B+
Retailer 11
-
£2,296 GBP
View
Most Expensive
Rare Carat
164-2_l_765602480 · Oct 28
£2,947 GBP
$3,955 USD
View
11 more retailers have this diamond
Prices start from £522 GBPSave up to £2,425 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
4.90ct Cushion
£522 GBP