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Cushion|Natural|GIA

1.57ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1558083901

Certificate GIA 1558083901

Diamond specifications and retailer prices

From £2,068 GBP
$2,775 USD
As of November 2, 2026
Save £592 GBP (22%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,660 GBP at Jared · As of November 2, 2026
View at Jared

About this 1.57ct natural cushion diamond

This 1.57ct natural cushion sits in the one-and-a-half to two carat band, graded I 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 1558083901. Listed at 7 retailers as of November 2, 2026, with prices from £2,068 to £2,660, a £592 spread on the same certified stone. Jared lists it at £2,660. 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

1.57
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558083901
Dimensions6.54 × 6.40 × 4.35 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Cloud, Feather, Needle, Indented Natural, Natural
Top View
6.54 mm6.40 mm1.57 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558083901
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.0%

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 2
Current: £2,660 GBP|Low: £1,855 GBP|High: £2,891 GBP|Avg: £2,447 GBP|-8.0%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8£1,870 GBP
Retailer 6£2,068 GBP
Retailer 4£2,241 GBP
Retailer 2£2,419 GBP
Retailer 3£2,571 GBP
Retailer 7£2,571 GBP
Retailer 5£2,642 GBP
Jared£2,660 GBP
Retailer 9£2,667 GBP

40 data points across 9 retailers

7 retailers£2,068 GBP to £2,660 GBP

A
Cheapest Retailer
-
£2,068 GBP
$2,775 USD
Final sale: no returns
A
Retailer 2
-
£2,241 GBP
$3,007 USD
View
A
Retailer 3
-
£2,419 GBP
View
A
Retailer 4
-
£2,571 GBP
$3,450 USD
View
A
Retailer 5
-
£2,571 GBP
$3,450 USD
View
A
Retailer 6
-
£2,642 GBP
SGD 4,791 SGD
View
Most Expensive
A
Jared
159877868 · Nov 2
£2,660 GBP
$3,570 USD
View
6 more retailers have this diamond
Prices start from £2,068 GBPSave up to £592 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
1.57ct Cushion
£2,068 GBP