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Cushion|Natural|GIA

1.30ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 7381596970

Certificate GIA 7381596970

Diamond specifications and retailer prices

From £2,838 GBP
As of November 5, 2026
Save £1,105 GBP (28%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,943 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 7381596970. Listed at 7 retailers as of November 5, 2026, with prices from £2,838 to £3,943, a £1,105 spread on the same certified stone. 77 Diamonds lists it at £3,943. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7381596970
Dimensions6.56 × 5.76 × 4.00 mm
L/W Ratio1.14
Top View
6.56 mm5.76 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7381596970
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £3,943 GBP|Low: £2,628 GBP|High: £4,021 GBP|Avg: £3,590 GBP|+0.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£2,891 GBP
Retailer 3£3,483 GBP
Retailer 5£3,698 GBP
Retailer 6£3,698 GBP
Retailer 4£3,825 GBP
77 Diamonds£3,943 GBP

38 data points across 6 retailers

7 retailers£2,838 GBP to £3,943 GBP

B+
Cheapest Retailer
-
£2,838 GBP
B+
Retailer 2
-
£2,891 GBP
View
Final sale: no returns
B
Retailer 3
-
£3,483 GBP
View
B
Retailer 4
-
£3,698 GBP
View
B
Retailer 5
-
£3,698 GBP
View
B
Retailer 6
-
£3,825 GBP
View
Most Expensive
B
77 Diamonds
CUSMB6APGSJYM · Nov 6
£3,943 GBP
View
6 more retailers have this diamond
Prices start from £2,838 GBPSave up to £1,105 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+
1.30ct Cushion
£2,838 GBP