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Cushion|Lab Grown|IGI

4.03ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG811686938

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811686938

Diamond specifications and retailer prices

From £537 GBP
$720 USD
As of October 29, 2026
Save £2,739 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,594 GBP at Rare Carat · As of August 4, 2026
View at Rare Carat

About this 4.03ct lab-grown cushion diamond

This 4.03ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811686938 or 811686938. Listed at 17 retailers as of October 29, 2026, with a 510% 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

4.03
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811686938
Dimensions10.40 × 7.88 × 5.41 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.40 mm7.88 mm4.03 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811686938
Side View
Table 62.0%Crown 39.2°Girdle: MED-STKPavilion 32.1°Culet: NoneDepth 68.7%

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: £871 GBP|Low: £537 GBP|High: £3,381 GBP|Avg: £1,366 GBP|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5£537 GBP
Retailer 12£563 GBP
Retailer 9£661 GBP
Retailer 13£755 GBP
Retailer 8£845 GBP
Retailer 4£851 GBP
Retailer 1£871 GBP
Retailer 11£1,227 GBP
Retailer 7£1,615 GBP
Retailer 3£1,711 GBP
Retailer 6£1,758 GBP
Retailer 10£2,450 GBP
Retailer 2£3,276 GBP

44 data points across 13 retailers

17 retailers£537 GBP to £3,276 GBP

A
Cheapest Retailer
-
£537 GBP
$720 USD
Final sale: no returns
Retailer 2
-
£563 GBP
$755 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£661 GBP
$885 USD
View
B+
Retailer 4
-
£755 GBP
$1,012 USD
View
A
Retailer 5
-
£845 GBP
€1,078 EUR
View
A
Retailer 6
-
£851 GBP
$1,140 USD
View
A
Retailer 7
-
£871 GBP
View
A
Retailer 8
-
£1,227 GBP
$1,644 USD
View
A
Retailer 9
-
£1,399 GBP
$1,875 USD
View
B+
Retailer 10
-
£1,615 GBP
View
B+
Retailer 11
-
£1,711 GBP
$2,293 USD
View
B+
Retailer 12
-
£1,758 GBP
SGD 3,183 SGD
View
B+
Retailer 13
-
£1,799 GBP
$2,410 USD
View
Retailer 14
-
£1,822 GBP
$2,442 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
£2,450 GBP
View
B
Retailer 16
-
£3,276 GBP
$4,390 USD
View
Most Expensive
Rare Carat
N79386869NM811 · Aug 4
£3,594 GBP
$4,816 USD
View
Price last confirmed 87 days ago
16 more retailers have this diamond
Prices start from £537 GBPSave up to £2,739 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
£537 GBP