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Cushion|Lab Grown|IGI

3.59ct D VS2 Cushion Lab Grown Diamond

VG • D/VS2 • IGI LG669473855

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

Certificate IGI LG669473855

Diamond specifications and retailer prices

From £1,000 GBP
$1,340 USD
As of October 30, 2026
Save £3,970 GBP (80%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,971 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.59ct lab-grown cushion diamond

This 3.59ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG669473855 or 669473855. Listed at 6 retailers as of October 29, 2026, with prices from £1,000 to £4,971, a £3,970 spread on the same certified stone. Brilliant Earth lists it at £4,971. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.59
Carat
D
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669473855
Dimensions9.01 × 8.86 × 5.90 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.01 mm8.86 mm3.59 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669473855
Side View
Table 61.0%Crown 34.4°Girdle: MED-THKPavilion 40°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
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 30
Current: £4,971 GBP|Low: £1,000 GBP|High: £4,971 GBP|Avg: £2,236 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£1,000 GBP
Retailer 3£1,004 GBP
Retailer 6£1,165 GBP
Retailer 4£1,279 GBP
Retailer 5£3,377 GBP
Brilliant Earth£4,971 GBP

2 data points across 6 retailers

6 retailers£1,000 GBP to £4,971 GBP

A
Cheapest Retailer
-
£1,000 GBP
$1,340 USD
A
Retailer 2
-
£1,004 GBP
$1,345 USD
View
A
Retailer 3
-
£1,152 GBP
$1,543 USD
View
A
Retailer 4
-
£1,165 GBP
HK$12,200 HKD
View
B
Retailer 5
-
£3,377 GBP
SGD 6,115 SGD
View
Most Expensive
B
Brilliant Earth
14953078Y · Oct 29
£4,971 GBP
$6,660 USD
View
5 more retailers have this diamond
Prices start from £1,000 GBPSave up to £3,970 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
3.59ct Cushion
£1,000 GBP