Cushion|Natural|GIA

1.30ct H SI2 Cushion Natural Diamond

ID • H/SI2 • GIA 2557837394

Certificate GIA 2557837394

Diamond specifications and retailer prices

From £2,142 GBP
As of November 6, 2026
Save £2,557 GBP (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,699 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct 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 2557837394. Listed at 12 retailers as of November 4, 2026, with prices from £2,142 to £4,699, a £2,557 spread on the same certified stone. MOH London lists it at £4,699. 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

1.30
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557837394
Dimensions7.49 × 5.71 × 3.91 mm
L/W Ratio1.31
Top View
7.49 mm5.71 mm1.30 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557837394
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.4%

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 6
Current: £4,699 GBP|Low: £2,132 GBP|High: £4,861 GBP|Avg: £3,016 GBP|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2£2,142 GBP
Retailer 8£2,152 GBP
Retailer 11£2,501 GBP
Retailer 3£2,706 GBP
Retailer 5£2,770 GBP
Retailer 10£2,817 GBP
Retailer 7£2,917 GBP
Retailer 9£2,926 GBP
Retailer 12£3,026 GBP
Retailer 6£3,279 GBP
Retailer 4£4,152 GBP
MOH London£4,699 GBP

25 data points across 12 retailers

12 retailers£2,142 GBP to £4,699 GBP

A
Cheapest Retailer
-
£2,142 GBP
A
Retailer 2
-
£2,152 GBP
View
B+
Retailer 3
-
£2,501 GBP
View
Retailer 4
-
£2,706 GBP
View
Price last confirmed 11 days ago
B+
Retailer 5
-
£2,770 GBP
View
Retailer 6
-
£2,817 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£2,917 GBP
View
B
Retailer 8
-
£2,926 GBP
View
B
Retailer 9
-
£3,026 GBP
View
B+
Retailer 10
-
£3,279 GBP
View
B
Retailer 11
-
£4,152 GBP
View
Most Expensive
B
MOH London
4D6908E50 · Nov 4
£4,699 GBP
View
11 more retailers have this diamond
Prices start from £2,142 GBPSave up to £2,557 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
1.30ct Cushion
£2,142 GBP