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Cushion|Natural|GIA

1.29ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 15881619

Certificate GIA 15881619

Diamond specifications and retailer prices

From £3,173 GBP
As of November 6, 2026
Save £188 GBP (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,361 GBP at DreamStone · As of November 4, 2026
View at DreamStone

About this 1.29ct natural cushion diamond

This 1.29ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 15881619. Listed at 2 retailers as of November 4, 2026, with a relatively tight 6% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 15881619
Dimensions7.16 × 6.21 mm
L/W Ratio1.15
Top View
7.16 mm6.21 mm1.29 ctF / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 15881619
Side View
Table 57.0%CrownGirdle: VTN-VTKPavilionCuletDepth 62.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £3,361 GBP|Low: £3,131 GBP|High: £3,734 GBP|Avg: £3,368 GBP|-2.8%
DreamStone
Retailer 2
September 25, 2026
Retailer 2£3,173 GBP
DreamStone£3,361 GBP

5 data points across 2 retailers

2 retailers£3,173 GBP to £3,361 GBP

B+
Cheapest Retailer
-
£3,173 GBP
Most Expensive
B
DreamStone
GXD1610Z · Nov 4
£3,361 GBP
$4,498 USD
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1 more retailer has this diamond
Prices start from £3,173 GBPSave up to £188 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
£3,173 GBP