CaratHunter
Plans
Cushion|Natural|GIA

1.59ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2245083429

Certificate GIA 2245083429

Diamond specifications and retailer prices

From £3,715 GBP
$4,985 USD
As of November 1, 2026
Save £3,212 GBP (46%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,927 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.59ct natural cushion diamond

This 1.59ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245083429. Listed at 16 retailers as of November 1, 2026, with prices from £3,715 to £6,927, a £3,212 spread on the same certified stone. MOH London lists it at £6,927. 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

1.59
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2245083429
Dimensions8.99 × 6.09 × 4.01 mm
L/W Ratio1.48
Culet sizeNone
Top View
8.99 mm6.09 mm1.59 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2245083429
Side View
Table 68.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 65.8%

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 1
Current: £6,927 GBP|Low: £3,715 GBP|High: £7,088 GBP|Avg: £5,012 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 14£3,715 GBP
Retailer 6£3,750 GBP
Retailer 15£3,964 GBP
Retailer 13£3,979 GBP
Retailer 7£4,206 GBP
Retailer 16£4,245 GBP
Retailer 3£4,310 GBP
Retailer 10£4,510 GBP
Retailer 2£4,523 GBP
Retailer 5£4,677 GBP
Retailer 4£4,808 GBP
Retailer 9£5,135 GBP
Retailer 8£5,184 GBP
Retailer 11£5,776 GBP
Retailer 12£6,882 GBP
MOH London£6,927 GBP

18 data points across 16 retailers

16 retailers£3,715 GBP to £6,927 GBP

B
Cheapest Retailer
-
£3,715 GBP
$4,985 USD
B+
Retailer 2
-
£3,750 GBP
$5,032 USD
View
B
Retailer 3
-
£3,964 GBP
$5,320 USD
View
B
Retailer 4
-
£3,979 GBP
$5,340 USD
View
B
Retailer 5
-
£4,206 GBP
$5,644 USD
View
B
Retailer 6
-
£4,245 GBP
CA$7,911 CAD
View
B
Retailer 7
-
£4,310 GBP
$5,784 USD
View
B
Retailer 8
-
£4,510 GBP
View
B
Retailer 9
-
£4,523 GBP
View
Retailer 10
-
£4,677 GBP
A$9,655 AUD
View
Price last confirmed 30 days ago
B
Retailer 11
-
£4,808 GBP
$6,452 USD
View
B
Retailer 12
-
£5,135 GBP
€6,563 EUR
View
Retailer 13
-
£5,184 GBP
$6,956 USD
View
Price last confirmed 28 days ago
B
Retailer 14
-
£5,776 GBP
ZAR 125,227 ZAR
View
B
Retailer 15
-
£6,882 GBP
$9,235 USD
View
Most Expensive
C
MOH London
DA47A2632 · Nov 1
£6,927 GBP
View
15 more retailers have this diamond
Prices start from £3,715 GBPSave up to £3,212 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+
1.59ct Cushion
£3,715 GBP