Cushion|Lab Grown|IGI

3.03ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG593393982

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG593393982

Diamond specifications and retailer prices

From £471 GBP
As of November 6, 2026
Save £3,272 GBP (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,743 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3.03ct lab-grown cushion diamond

This 3.03ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG593393982 or 593393982. Listed at 14 retailers as of November 6, 2026, with prices from £471 to £3,743, a £3,272 spread on the same certified stone. Do Amore Diamonds lists it at £3,743. 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

3.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593393982
Dimensions8.81 × 8.38 × 5.46 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.81 mm8.38 mm3.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593393982
Side View
Table 62.0%Crown 32.4°Girdle: MED-STKPavilion 40°Culet: NoneDepth 65.2%

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: Nov 6
Current: £3,743 GBP|Low: £437 GBP|High: £3,743 GBP|Avg: £1,540 GBP|+8.0%
Do Amore Diamonds
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
November 6, 2026
Retailer 13£471 GBP
Retailer 3£484 GBP
Retailer 8£605 GBP
Retailer 11£620 GBP
Retailer 10£692 GBP
Retailer 2£894 GBP
Retailer 4£1,376 GBP
Retailer 7£1,479 GBP
Retailer 5£1,506 GBP
Retailer 12£1,950 GBP
Retailer 14£2,237 GBP
Retailer 9£2,285 GBP
Retailer 6£3,429 GBP
Do Amore Diamonds£3,743 GBP

42 data points across 14 retailers

14 retailers£471 GBP to £3,743 GBP

A
Cheapest Retailer
-
£471 GBP
Final sale: no returns
Retailer 2
-
£484 GBP
View
Price last confirmed 22 days ago
A
Retailer 3
-
£605 GBP
View
A
Retailer 4
-
£620 GBP
View
A
Retailer 5
-
£692 GBP
View
B+
Retailer 6
-
£894 GBP
View
B+
Retailer 7
-
£1,376 GBP
View
B+
Retailer 8
-
£1,479 GBP
View
B
Retailer 9
-
£1,506 GBP
View
B
Retailer 10
-
£1,950 GBP
View
B
Retailer 11
-
£2,237 GBP
View
Retailer 12
-
£2,285 GBP
View
Price last confirmed 9 days ago
Retailer 13
-
£3,429 GBP
View
Price last confirmed 37 days ago
Most Expensive
B
Do Amore Diamonds
27-1FFD89EC3 · Nov 6
£3,743 GBP
$5,010 USD
View
13 more retailers have this diamond
Prices start from £471 GBPSave up to £3,272 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
3.03ct Cushion
£471 GBP