Cushion|Natural|GIA

1.55ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6452554551

Certificate GIA 6452554551

Diamond specifications and retailer prices

From €3,917 EUR

$4,376 USD

As of November 1, 2026

Save €3,979 EUR (50%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: €7,896 EUR at MOH London · As of November 1, 2026

View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6452554551. Listed at 17 retailers as of November 1, 2026, with prices from €3,917 to €7,896, a €3,979 spread on the same certified stone. MOH London lists it at €7,896. 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

Color

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.3°

Pavilion angle38.3°

OriginNatural

Grading LabGIA

CertificateGIA 6452554551

Dimensions6.70 × 6.49 × 4.49 mm

L/W Ratio1.03

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6452554551

Side View

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: €7,896 EUR|Low: €3,917 EUR|High: €7,990 EUR|Avg: €5,150 EUR|-1.2%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

November 2, 2026

Retailer 6€3,917 EUR

Retailer 7€3,979 EUR

Retailer 9€4,145 EUR

Retailer 8€4,491 EUR

Retailer 3€4,770 EUR

Retailer 2€4,837 EUR

Retailer 10€4,965 EUR

Retailer 5€5,275 EUR

Retailer 4€6,094 EUR

MOH London€7,896 EUR

36 data points across 10 retailers

17 retailers€3,917 EUR to €7,896 EUR

B+

Cheapest Retailer

€3,917 EUR

$4,376 USD

B+

Retailer 2

€3,979 EUR

$4,445 USD

View

Retailer 3

€4,145 EUR

$4,631 USD

View

Final sale: no returns

Retailer 4

€4,219 EUR

$4,713 USD

View

Retailer 5

€4,225 EUR

$4,720 USD

View

B+

Retailer 6

€4,491 EUR

$5,017 USD

View

Retailer 7

€4,723 EUR

$5,277 USD

View

B+

Retailer 8

€4,770 EUR

£4,196 GBP

View

Retailer 9

€4,837 EUR

£4,255 GBP

View

Retailer 10

€4,965 EUR

A$8,534 AUD

View

Price last confirmed 23 days ago

Retailer 11

€5,030 EUR

$5,620 USD

View

Retailer 12

€5,030 EUR

$5,620 USD

View

Retailer 13

€5,200 EUR

$5,810 USD

View

Retailer 14

€5,275 EUR

View

Retailer 15

€5,470 EUR

$6,111 USD

View

Price last confirmed 10 days ago

Retailer 16

€6,094 EUR

ZAR 109,980 ZAR

View

Most Expensive

MOH London

865F3525F · Nov 1

€7,896 EUR

£6,946 GBP

View

16 more retailers have this diamond

Prices start from €3,917 EURSave up to €3,979 EUR

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.

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B+

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