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Cushion|Natural|GIA

1.55ct I SI1 Cushion Natural Diamond

ID • I/SI1 • GIA 5242011749

Certificate GIA 5242011749

Diamond specifications and retailer prices

From €2,728 EUR
HK$23,900 HKD
As of November 2, 2026
Save €3,342 EUR (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,069 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 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 5242011749. Listed at 17 retailers as of November 1, 2026, with prices from €2,728 to €6,069, a €3,342 spread on the same certified stone. MOH London lists it at €6,069. 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
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5242011749
Dimensions8.26 × 6.15 × 4.03 mm
L/W Ratio1.34
Girdle conditionFaceted
Top View
8.26 mm6.15 mm1.55 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5242011749
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.5%

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: €6,069 EUR|Low: €2,682 EUR|High: €6,342 EUR|Avg: €3,717 EUR|-4.3%
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
Retailer 16
November 2, 2026
Retailer 11€2,728 EUR
Retailer 16€2,877 EUR
Retailer 5€2,965 EUR
Retailer 14€3,083 EUR
Retailer 3€3,091 EUR
Retailer 2€3,203 EUR
Retailer 7€3,223 EUR
Retailer 13€3,277 EUR
Retailer 9€3,326 EUR
Retailer 15€3,463 EUR
Retailer 10€3,788 EUR
Retailer 8€4,028 EUR
Retailer 12€4,172 EUR
Retailer 4€4,570 EUR
Retailer 6€5,746 EUR
MOH London€6,069 EUR

24 data points across 16 retailers

17 retailers€2,728 EUR to €6,069 EUR

A
Cheapest Retailer
-
€2,728 EUR
HK$23,900 HKD
A
Retailer 2
-
€2,877 EUR
$3,227 USD
View
A
Retailer 3
-
€2,965 EUR
$3,326 USD
View
A
Retailer 4
-
€3,083 EUR
$3,458 USD
View
Final sale: no returns
A
Retailer 5
-
€3,091 EUR
View
A
Retailer 6
-
€3,203 EUR
$3,593 USD
View
A
Retailer 7
-
€3,223 EUR
$3,615 USD
View
A
Retailer 8
-
€3,277 EUR
$3,675 USD
View
A
Retailer 9
-
€3,326 EUR
$3,730 USD
View
A
Retailer 10
-
€3,463 EUR
£3,059 GBP
View
A
Retailer 11
-
€3,632 EUR
A$6,268 AUD
View
A
Retailer 12
-
€3,788 EUR
$4,249 USD
View
Retailer 13
-
€4,028 EUR
A$6,951 AUD
View
Price last confirmed 23 days ago
A
Retailer 14
-
€4,172 EUR
View
B+
Retailer 15
-
€4,570 EUR
ZAR 82,812 ZAR
View
Retailer 16
-
€5,746 EUR
$6,445 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
MOH London
EDA8DE476 · Nov 1
€6,069 EUR
£5,360 GBP
View
16 more retailers have this diamond
Prices start from €2,728 EURSave up to €3,342 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.

A
1.55ct Cushion
€2,728 EUR