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Cushion|Lab Grown|GIA

3.03ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • GIA 6452228746

Certificate GIA 6452228746

Diamond specifications and retailer prices

From £576 GBP
As of November 3, 2026
Save £3,772 GBP (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,348 GBP at Do Amore Diamonds · As of November 2, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6452228746. Listed at 8 retailers as of November 2, 2026, with prices from £576 to £4,348, a £3,772 spread on the same certified stone. Do Amore Diamonds lists it at £4,348. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6452228746
Dimensions8.55 × 8.46 × 5.64 mm
L/W Ratio1.01
Top View
8.55 mm8.46 mm3.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452228746
Side View
Table 61.0%CrownGirdle: STK-STKPavilionCulet: NoneDepth 66.7%

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: Nov 3
Current: £4,348 GBP|Low: £576 GBP|High: £4,789 GBP|Avg: £2,016 GBP|-1.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7£576 GBP
Retailer 6£926 GBP
Retailer 5£926 GBP
Retailer 10£1,033 GBP
Retailer 8£1,065 GBP
Retailer 9£1,830 GBP
Retailer 4£1,865 GBP
Retailer 3£2,197 GBP
Retailer 2£2,461 GBP
Do Amore Diamonds£4,348 GBP

21 data points across 10 retailers

8 retailers£576 GBP to £4,348 GBP

A
Cheapest Retailer
-
£576 GBP
Final sale: no returns
A
Retailer 2
-
£926 GBP
View
A
Retailer 3
-
£926 GBP
View
B
Retailer 4
-
£1,830 GBP
View
B
Retailer 5
-
£1,865 GBP
View
B
Retailer 6
-
£2,197 GBP
View
B
Retailer 7
-
£2,461 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E64FAC035 · Nov 2
£4,348 GBP
$5,820 USD
View
7 more retailers have this diamond
Prices start from £576 GBPSave up to £3,772 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
£576 GBP