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Cushion|Lab Grown|GIA

1.29ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • GIA 6227955786

Shape and cutting style on the report: Cushion modified brilliant

Certificate GIA 6227955786

Diamond specifications and retailer prices

From £696 GBP
As of November 6, 2026
Save £798 GBP (53%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,494 GBP at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.29ct lab-grown cushion diamond

This 1.29ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6227955786. Listed at 3 retailers as of November 5, 2026, with prices from £696 to £1,494, a £798 spread on the same certified stone. Do Amore Diamonds lists it at £1,494. 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

1.29
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6227955786
Dimensions6.45 × 6.43 × 4.15 mm
L/W Ratio1.00
Top View
6.45 mm6.43 mm1.29 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6227955786
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £1,494 GBP|Low: £658 GBP|High: £1,494 GBP|Avg: £940 GBP|+28.2%
Do Amore Diamonds
Retailer 2
September 26, 2026
Retailer 2£696 GBP
Do Amore Diamonds£1,494 GBP

42 data points across 2 retailers

3 retailers£696 GBP to £1,494 GBP

B+
Cheapest Retailer
-
£696 GBP
Retailer 2
-
£867 GBP
View
Price last confirmed 36 days ago
Most Expensive
B
Do Amore Diamonds
24-2312-166AA · Nov 5
£1,494 GBP
$2,000 USD
View
2 more retailers have this diamond
Prices start from £696 GBPSave up to £798 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.

B+
1.29ct Cushion
£696 GBP