Cushion|Natural|GIA

1.00ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6551048681

Certificate GIA 6551048681

Diamond specifications and retailer prices

From €1,547 EUR

HK$13,500 HKD

As of November 1, 2026

Save €2,058 EUR (57%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: €3,605 EUR at MOH London · As of November 1, 2026

View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551048681. Listed at 17 retailers as of November 1, 2026, with prices from €1,547 to €3,605, a €2,058 spread on the same certified stone. MOH London lists it at €3,605. 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

1.00

Carat

Color

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryGood

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 6551048681

Dimensions6.63 × 5.10 × 3.51 mm

L/W Ratio1.30

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryGood

FluorescenceNone

CertificateGIA 6551048681

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: Nov 1

Current: €3,605 EUR|Low: €1,535 EUR|High: €3,748 EUR|Avg: €2,221 EUR|-3.8%

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

November 1, 2026

Retailer 11€1,547 EUR

Retailer 2€1,637 EUR

Retailer 7€1,841 EUR

Retailer 5€1,898 EUR

Retailer 3€1,923 EUR

Retailer 9€1,986 EUR

Retailer 15€2,057 EUR

Retailer 14€2,059 EUR

Retailer 6€2,148 EUR

Retailer 8€2,161 EUR

Retailer 4€2,248 EUR

Retailer 10€2,258 EUR

Retailer 12€2,529 EUR

Retailer 13€2,569 EUR

MOH London€3,605 EUR

23 data points across 15 retailers

17 retailers€1,547 EUR to €3,605 EUR

Cheapest Retailer

€1,547 EUR

HK$13,500 HKD

Retailer 2

€1,637 EUR

₹174,160 INR

View

Retailer 3

€1,841 EUR

SGD 2,779 SGD

View

Retailer 4

€1,898 EUR

$2,120 USD

View

Final sale: no returns

B+

Retailer 5

€1,923 EUR

$2,148 USD

View

B+

Retailer 6

€1,982 EUR

$2,214 USD

View

Retailer 7

€1,986 EUR

£1,747 GBP

View

B+

Retailer 8

€2,057 EUR

$2,298 USD

View

B+

Retailer 9

€2,059 EUR

$2,300 USD

View

B+

Retailer 10

€2,148 EUR

SGD 3,243 SGD

View

B+

Retailer 11

€2,161 EUR

$2,414 USD

View

B+

Retailer 12

€2,248 EUR

$2,511 USD

View

B+

Retailer 13

€2,258 EUR

£1,986 GBP

View

B+

Retailer 14

€2,529 EUR

ZAR 45,638 ZAR

View

B+

Retailer 15

€2,569 EUR

View

Retailer 16

€2,602 EUR

A$4,473 AUD

View

Price last confirmed 24 days ago

Most Expensive

MOH London

100B3F5F7 · Nov 1

€3,605 EUR

£3,171 GBP

View

16 more retailers have this diamond

Prices start from €1,547 EURSave up to €2,058 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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