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Cushion|Natural|GIA

1.01ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6552450117

Certificate GIA 6552450117

Diamond specifications and retailer prices

From €1,123 EUR
HK$9,800 HKD
As of October 31, 2026
Save €1,377 EUR (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,500 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.01ct natural cushion diamond

This 1.01ct natural cushion sits in the classic one-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 6552450117. Listed at 21 retailers as of October 26, 2026, with prices from €1,123 to €2,500, a €1,377 spread on the same certified stone. MOH London lists it at €2,500. 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

1.01
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.31°
Pavilion angle55.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552450117
Dimensions6.21 × 5.46 × 3.79 mm
L/W Ratio1.14
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.21 mm5.46 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552450117
Side View
Table 64.0%Crown 41.31°Girdle: THN-THKPavilion 55.2°Culet: NoneDepth 69.5%

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: Oct 31
Current: €2,500 EUR|Low: €1,123 EUR|High: €2,510 EUR|Avg: €1,540 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8€1,123 EUR
Retailer 7€1,134 EUR
Retailer 11€1,260 EUR
Retailer 4€1,315 EUR
Retailer 12€1,359 EUR
Retailer 2€1,390 EUR
Retailer 3€1,499 EUR
Retailer 6€1,532 EUR
Retailer 5€1,596 EUR
Retailer 10€1,740 EUR
Retailer 9€1,947 EUR
MOH London€2,500 EUR

25 data points across 12 retailers

21 retailers€1,123 EUR to €2,500 EUR

A
Cheapest Retailer
-
€1,123 EUR
HK$9,800 HKD
A
Retailer 2
-
€1,134 EUR
₹120,627 INR
View
A
Retailer 3
-
€1,260 EUR
$1,408 USD
View
A
Retailer 4
-
€1,309 EUR
A$2,249 AUD
View
A
Retailer 5
-
€1,315 EUR
$1,469 USD
View
Final sale: no returns
A
Retailer 6
-
€1,321 EUR
$1,476 USD
View
A
Retailer 7
-
€1,359 EUR
SGD 2,051 SGD
View
A
Retailer 8
-
€1,390 EUR
£1,223 GBP
View
A
Retailer 9
-
€1,425 EUR
$1,592 USD
View
B+
Retailer 10
-
€1,499 EUR
$1,675 USD
View
A
Retailer 11
-
€1,532 EUR
$1,712 USD
View
A
Retailer 12
-
€1,547 EUR
$1,728 USD
View
A
Retailer 13
-
€1,561 EUR
SGD 2,356 SGD
View
A
Retailer 14
-
€1,573 EUR
$1,757 USD
View
A
Retailer 15
-
€1,596 EUR
£1,404 GBP
View
B+
Retailer 16
-
€1,740 EUR
ZAR 31,396 ZAR
View
Retailer 17
-
€1,860 EUR
A$3,196 AUD
View
Price last confirmed 27 days ago
B+
Retailer 18
-
€1,947 EUR
View
B+
Retailer 19
-
€2,105 EUR
$2,352 USD
View
B
Retailer 20
-
€2,164 EUR
$2,418 USD
View
Most Expensive
B
MOH London
3991CD258 · Oct 26
€2,500 EUR
£2,199 GBP
View
20 more retailers have this diamond
Prices start from €1,123 EURSave up to €1,377 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
1.01ct Cushion
€1,123 EUR