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Cushion|Natural|GIA

1.25ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 1509382896

Certificate GIA 1509382896

Diamond specifications and retailer prices

From £1,986 GBP
As of November 5, 2026
Save £1,290 GBP (39%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,276 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.25ct natural cushion diamond

This 1.25ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1509382896. Listed at 5 retailers as of November 5, 2026, with prices from £1,986 to £3,276, a £1,290 spread on the same certified stone. 77 Diamonds lists it at £3,276. 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

1.25
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.91°
Pavilion angle39.3°
OriginNatural
Grading LabGIA
CertificateGIA 1509382896
Dimensions6.23 × 6.05 × 4.16 mm
L/W Ratio1.03
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.23 mm6.05 mm1.25 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509382896
Side View
Table 65.0%Crown 37.91°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
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 5
Current: £3,276 GBP|Low: £1,986 GBP|High: £3,341 GBP|Avg: £2,500 GBP|-0.7%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£1,986 GBP
Retailer 2£2,196 GBP
77 Diamonds£3,276 GBP

37 data points across 3 retailers

5 retailers£1,986 GBP to £3,276 GBP

A
Cheapest Retailer
-
£1,986 GBP
B+
Retailer 2
-
£2,169 GBP
View
B+
Retailer 3
-
£2,188 GBP
View
B+
Retailer 4
-
£2,196 GBP
View
Most Expensive
B
77 Diamonds
CUSZJWVRAYGF · Nov 6
£3,276 GBP
View
4 more retailers have this diamond
Prices start from £1,986 GBPSave up to £1,290 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
1.25ct Cushion
£1,986 GBP