CaratHunter
Plans
Cushion|Lab Grown|IGI

4.03ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG667459191

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG667459191

Diamond specifications and retailer prices

From £538 GBP
$721 USD
As of October 26, 2026
Save £1,962 GBP (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,500 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 4.03ct lab-grown cushion diamond

This 4.03ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG667459191 or 667459191. Listed at 12 retailers as of October 26, 2026, with prices from £538 to £2,500, a £1,962 spread on the same certified stone. Do Amore Diamonds lists it at £2,500. 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

4.03
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667459191
Dimensions9.14 × 8.80 × 6.03 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
9.14 mm8.80 mm4.03 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667459191
Side View
Table 64.0%Crown 38.5°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 68.5%

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 26
Current: £2,500 GBP|Low: £305 GBP|High: £2,500 GBP|Avg: £1,304 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 8£538 GBP
Retailer 3£556 GBP
Retailer 10£704 GBP
Retailer 6£715 GBP
Retailer 7£1,250 GBP
Retailer 9£1,410 GBP
Retailer 11£1,549 GBP
Retailer 4£1,676 GBP
Retailer 5£1,805 GBP
Retailer 2£1,873 GBP
Do Amore Diamonds£2,500 GBP

13 data points across 11 retailers

12 retailers£538 GBP to £2,500 GBP

B+
Cheapest Retailer
-
£538 GBP
$721 USD
A
Retailer 2
-
£704 GBP
$943 USD
View
A
Retailer 3
-
£715 GBP
$958 USD
View
A
Retailer 4
-
£1,250 GBP
CA$2,327 CAD
View
Retailer 5
-
£1,549 GBP
$2,075 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£1,549 GBP
$2,075 USD
View
B+
Retailer 7
-
£1,601 GBP
$2,145 USD
View
Retailer 8
-
£1,608 GBP
$2,155 USD
View
Price last confirmed 25 days ago
B+
Retailer 9
-
£1,676 GBP
$2,245 USD
View
B+
Retailer 10
-
£1,805 GBP
$2,418 USD
View
B+
Retailer 11
-
£1,873 GBP
View
Most Expensive
B
Do Amore Diamonds
25-9104016-028 · Oct 28
£2,500 GBP
$3,350 USD
View
11 more retailers have this diamond
Prices start from £538 GBPSave up to £1,962 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
4.03ct Cushion
£538 GBP