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Cushion|Natural|GIA

1.30ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1553373291

Certificate GIA 1553373291

Diamond specifications and retailer prices

From £1,423 GBP
HK$14,900 HKD
As of November 1, 2026
Save £1,903 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,326 GBP at MOH London · As of October 29, 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 J 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 1553373291. Listed at 12 retailers as of October 29, 2026, with prices from £1,423 to £3,326, a £1,903 spread on the same certified stone. MOH London lists it at £3,326. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553373291
Dimensions7.47 × 5.58 × 3.77 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.47 mm5.58 mm1.30 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553373291
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.5%

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 1
Current: £3,326 GBP|Low: £1,404 GBP|High: £3,380 GBP|Avg: £2,057 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7£1,423 GBP
Retailer 6£1,491 GBP
Retailer 4£1,727 GBP
Retailer 8£1,888 GBP
Retailer 9£1,975 GBP
Retailer 3£1,975 GBP
Retailer 5£1,999 GBP
Retailer 10£2,052 GBP
Retailer 2£2,336 GBP
MOH London£3,326 GBP

41 data points across 10 retailers

12 retailers£1,423 GBP to £3,326 GBP

A
Cheapest Retailer
-
£1,423 GBP
HK$14,900 HKD
A
Retailer 2
-
£1,491 GBP
₹190,208 INR
View
A
Retailer 3
-
£1,727 GBP
$2,314 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,774 GBP
$2,377 USD
View
B+
Retailer 5
-
£1,888 GBP
$2,530 USD
View
B+
Retailer 6
-
£1,975 GBP
SGD 3,576 SGD
View
B+
Retailer 7
-
£1,975 GBP
$2,647 USD
View
B+
Retailer 8
-
£1,999 GBP
View
B+
Retailer 9
-
£2,052 GBP
$2,750 USD
View
B+
Retailer 10
-
£2,056 GBP
A$4,238 AUD
View
B+
Retailer 11
-
£2,336 GBP
€2,981 EUR
View
Most Expensive
B
MOH London
13B7E79E4 · Oct 29
£3,326 GBP
View
11 more retailers have this diamond
Prices start from £1,423 GBPSave up to £1,903 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
£1,423 GBP