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Cushion|Lab Grown|IGI

2.03ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG669426694

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG669426694

Diamond specifications and retailer prices

From £285 GBP
$382 USD
As of October 31, 2026
Save £984 GBP (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,331 GBP at Rare Carat
View at Rare Carat

About this 2.03ct lab-grown cushion diamond

This 2.03ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG669426694 or 669426694. Listed at 15 retailers as of October 29, 2026, with a 345% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669426694
Dimensions7.79 × 7.39 × 4.87 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.79 mm7.39 mm2.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG669426694
Side View
Table 64.0%Crown 40.4°Girdle: MED-VTKPavilion 41.1°Culet: NoneDepth 65.9%

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 31
Current: £504 GBP|Low: £266 GBP|High: £1,269 GBP|Avg: £664 GBP|+1.3%
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
Retailer 14
October 31, 2026
Retailer 9£285 GBP
Retailer 14£298 GBP
Retailer 8£366 GBP
Retailer 11£414 GBP
Retailer 3£484 GBP
Retailer 1£504 GBP
Retailer 13£505 GBP
Retailer 7£528 GBP
Retailer 12£536 GBP
Retailer 2£772 GBP
Retailer 5£992 GBP
Retailer 4£1,181 GBP
Retailer 10£1,201 GBP
Retailer 6£1,269 GBP

34 data points across 14 retailers

15 retailers£285 GBP to £1,269 GBP

A
Cheapest Retailer
-
£285 GBP
$382 USD
Final sale: no returns
A
Retailer 2
-
£298 GBP
$399 USD
View
A
Retailer 3
-
£366 GBP
View
A
Retailer 4
-
£414 GBP
$555 USD
View
A
Retailer 5
-
£484 GBP
$648 USD
View
A
Retailer 6
-
£504 GBP
€643 EUR
View
A
Retailer 7
-
£505 GBP
$677 USD
View
A
Retailer 8
-
£528 GBP
View
A
Retailer 9
-
£536 GBP
$718 USD
View
B+
Retailer 10
-
£772 GBP
$1,034 USD
View
B
Retailer 11
-
£992 GBP
$1,329 USD
View
B
Retailer 12
-
£1,181 GBP
$1,583 USD
View
B
Retailer 13
-
£1,201 GBP
View
B
Retailer 14
-
£1,269 GBP
$1,700 USD
View
Most Expensive
Rare Carat
A3198
£1,331 GBP
$1,783 USD
View
14 more retailers have this diamond
Prices start from £285 GBPSave up to £984 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
2.03ct Cushion
£285 GBP