Cushion|Natural|GIA

2.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1559675761

Certificate GIA 1559675761

Diamond specifications and retailer prices

From €15,988 EUR

A$27,481 AUD

As of October 27, 2026

Save €9,403 EUR (37%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €25,392 EUR at MOH London · As of October 26, 2026

View at MOH London

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three carat band, graded H 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 1559675761. Listed at 12 retailers as of October 26, 2026, with prices from €15,988 to €25,392, a €9,403 spread on the same certified stone. MOH London lists it at €25,392. 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

2.51

Carat

Color

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Pavilion angle37.73°

OriginNatural

Grading LabGIA

CertificateGIA 1559675761

Dimensions9.09 × 7.10 × 4.96 mm

L/W Ratio1.28

Key to symbols

Crystal, Feather, Needle, Indented Natural

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1559675761

Side View

Caratlytics Score

How it works →

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: Oct 27

Current: €25,392 EUR|Low: €13,508 EUR|High: €25,629 EUR|Avg: €17,696 EUR|-0.9%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 27, 2026

Retailer 11€13,508 EUR

Retailer 5€15,293 EUR

Retailer 12€15,364 EUR

Retailer 8€15,630 EUR

Retailer 7€16,417 EUR

Retailer 3€16,821 EUR

Retailer 4€18,372 EUR

Retailer 6€18,528 EUR

Retailer 9€18,528 EUR

Retailer 10€19,146 EUR

Retailer 2€19,647 EUR

MOH London€25,392 EUR

26 data points across 12 retailers

12 retailers€15,988 EUR to €25,392 EUR

Retailer 1

€13,508 EUR

HK$117,900 HKD

Price last confirmed 15 days ago

Retailer 2

€15,293 EUR

View

Price last confirmed 6 days ago

Retailer 3

€15,364 EUR

SGD 23,195 SGD

View

Price last confirmed 21 days ago

Retailer 4

€15,630 EUR

$17,462 USD

View

Price last confirmed 8 days ago

Retailer 5

€15,988 EUR

A$27,481 AUD

View

Retailer 6

€16,821 EUR

$18,793 USD

View

Price last confirmed 12 days ago

B+

Retailer 7

€18,372 EUR

A$31,578 AUD

View

B+

Retailer 8

€18,528 EUR

$20,700 USD

View

B+

Retailer 9

€18,528 EUR

$20,700 USD

View

B+

Retailer 10

€19,146 EUR

$21,390 USD

View

B+

Retailer 11

€19,647 EUR

View

Most Expensive

MOH London

EECE8DF20 · Oct 26

€25,392 EUR

£22,337 GBP

View

11 more retailers have this diamond

Prices start from €15,988 EURSave up to €9,403 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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