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Cushion|Natural|GIA

1.30ct J SI2 Cushion Natural Diamond

VG • J/SI2 • GIA 6505604016

Certificate GIA 6505604016

Diamond specifications and retailer prices

From £1,901 GBP
$2,548 USD
As of October 31, 2026
Save £2,243 GBP (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,144 GBP at MOH London · As of November 1, 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 6505604016. Listed at 15 retailers as of October 31, 2026, with prices from £1,901 to £4,144, a £2,243 spread on the same certified stone. MOH London lists it at £4,144. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.30
Carat
J
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.57°
Pavilion angle37.78°
OriginNatural
Grading LabGIA
CertificateGIA 6505604016
Dimensions7.48 × 5.82 × 3.94 mm
L/W Ratio1.29
Top View
7.48 mm5.82 mm1.30 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6505604016
Side View
Table 66.0%Crown 34.57°Girdle: MED-VTKPavilion 37.78°Culet: NoneDepth 67.7%

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: Oct 31
Current: £4,144 GBP|Low: £1,901 GBP|High: £4,193 GBP|Avg: £2,497 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3£1,901 GBP
Retailer 5£1,955 GBP
Retailer 7£2,010 GBP
Retailer 8£2,072 GBP
Retailer 6£2,108 GBP
Retailer 9£2,245 GBP
Retailer 10£2,387 GBP
Retailer 2£2,589 GBP
Retailer 4£2,900 GBP
MOH London£4,144 GBP

43 data points across 10 retailers

15 retailers£1,901 GBP to £4,144 GBP

B+
Cheapest Retailer
-
£1,901 GBP
$2,548 USD
B+
Retailer 2
-
£1,955 GBP
$2,620 USD
View
B+
Retailer 3
-
£1,985 GBP
$2,660 USD
View
B+
Retailer 4
-
£2,010 GBP
$2,693 USD
View
B+
Retailer 5
-
£2,072 GBP
$2,776 USD
View
Final sale: no returns
B+
Retailer 6
-
£2,108 GBP
$2,825 USD
View
B
Retailer 7
-
£2,245 GBP
$3,008 USD
View
B
Retailer 8
-
£2,387 GBP
$3,198 USD
View
B
Retailer 9
-
£2,515 GBP
$3,370 USD
View
B
Retailer 10
-
£2,515 GBP
$3,370 USD
View
B
Retailer 11
-
£2,589 GBP
View
B
Retailer 12
-
£2,597 GBP
$3,480 USD
View
Retailer 13
-
£2,874 GBP
$3,851 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
£2,900 GBP
€3,701 EUR
View
Most Expensive
B
MOH London
26DB37A41 · Nov 1
£4,144 GBP
View
14 more retailers have this diamond
Prices start from £1,901 GBPSave up to £2,243 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
£1,901 GBP