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Cushion|Lab Grown|IGI

4.07ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG723548307

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

Certificate IGI LG723548307

Diamond specifications and retailer prices

From £705 GBP
$945 USD
As of October 29, 2026
Save £4,415 GBP (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £5,120 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.07ct lab-grown cushion diamond

This 4.07ct 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 LG723548307 or 723548307. Listed at 13 retailers as of October 29, 2026, with prices from £705 to £5,120, a £4,415 spread on the same certified stone. Brilliant Earth lists it at £5,120. 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

4.07
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723548307
Dimensions9.40 × 9.15 × 6.02 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm9.15 mm4.07 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723548307
Side View
Table 62.0%Crown 36.3°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 65.8%

Caratlytics Score

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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: £5,120 GBP|Low: £567 GBP|High: £5,978 GBP|Avg: £1,760 GBP|-14.4%
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
October 30, 2026
Retailer 9£567 GBP
Retailer 10£705 GBP
Retailer 3£886 GBP
Retailer 2£915 GBP
Retailer 11£934 GBP
Retailer 6£958 GBP
Retailer 4£1,436 GBP
Retailer 13£1,774 GBP
Retailer 12£1,951 GBP
Retailer 5£1,973 GBP
Retailer 8£2,325 GBP
Retailer 7£2,423 GBP
Brilliant Earth£5,120 GBP

39 data points across 13 retailers

13 retailers£705 GBP to £5,120 GBP

Retailer 1
-
£567 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
£705 GBP
$945 USD
View
A
Retailer 3
-
£886 GBP
$1,187 USD
View
A
Retailer 4
-
£915 GBP
View
A
Retailer 5
-
£934 GBP
$1,251 USD
View
A
Retailer 6
-
£958 GBP
€1,223 EUR
View
A
Retailer 7
-
£1,436 GBP
$1,924 USD
View
B+
Retailer 8
-
£1,774 GBP
View
B+
Retailer 9
-
£1,951 GBP
$2,614 USD
View
Retailer 10
-
£1,973 GBP
$2,644 USD
View
Price last confirmed 12 days ago
Retailer 11
-
£2,325 GBP
$3,115 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
£2,423 GBP
View
Most Expensive
B
Brilliant Earth
15673274A · Oct 29
£5,120 GBP
$6,860 USD
View
12 more retailers have this diamond
Prices start from £705 GBPSave up to £4,415 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
4.07ct Cushion
£705 GBP