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Cushion|Natural|GIA

1.55ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 1459364642

Certificate GIA 1459364642

Diamond specifications and retailer prices

From £2,411 GBP
$3,230 USD
As of October 31, 2026
Save £224 GBP (8%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,635 GBP at Jared · As of October 30, 2026
View at Jared

About this 1.55ct natural cushion diamond

This 1.55ct natural cushion sits in the one-and-a-half to two 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 1459364642. Listed at 4 retailers as of October 30, 2026, with a relatively tight 9% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.55
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1459364642
Dimensions6.73 × 6.71 × 4.40 mm
L/W Ratio1.00
Top View
6.73 mm6.71 mm1.55 ctJ / SI2
OriginNatural
CutIdeal
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 1459364642
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £2,635 GBP|Low: £2,411 GBP|High: £3,135 GBP|Avg: £2,792 GBP|-16.0%
Jared
Retailer 2
Retailer 3
Retailer 4
September 26, 2026
Retailer 2£2,411 GBP
Retailer 3£2,545 GBP
Retailer 4£2,545 GBP
Jared£2,635 GBP

8 data points across 4 retailers

4 retailers£2,411 GBP to £2,635 GBP

A
Cheapest Retailer
-
£2,411 GBP
$3,230 USD
B+
Retailer 2
-
£2,545 GBP
$3,410 USD
View
B+
Retailer 3
-
£2,545 GBP
$3,410 USD
View
Most Expensive
B+
Jared
146541486 · Oct 30
£2,635 GBP
$3,530 USD
View
3 more retailers have this diamond
Prices start from £2,411 GBPSave up to £224 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
1.55ct Cushion
£2,411 GBP