Cushion|Natural|GIA

1.03ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2245072355

Certificate GIA 2245072355

Diamond specifications and retailer prices

From €779 EUR
HK$6,800 HKD
As of November 1, 2026
Save €1,195 EUR (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,974 EUR at 18carati · As of October 31, 2026
View at 18carati

About this 1.03ct natural cushion diamond

This 1.03ct 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 2245072355. Listed at 8 retailers as of October 31, 2026, with prices from €779 to €1,974, a €1,195 spread on the same certified stone. 18carati lists it at €1,974. 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

1.03
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle37.54°
OriginNatural
Grading LabGIA
CertificateGIA 2245072355
Dimensions6.84 × 5.26 × 3.67 mm
L/W Ratio1.30
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.84 mm5.26 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245072355
Side View
Table 63.0%CrownGirdle: THN-THKPavilion 37.54°Culet: NoneDepth 69.9%

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 1
Current: €1,974 EUR|Low: €779 EUR|High: €2,136 EUR|Avg: €1,343 EUR|-5.4%
18carati
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3€779 EUR
Retailer 6€999 EUR
Retailer 2€1,036 EUR
Retailer 8€1,111 EUR
Retailer 7€1,196 EUR
Retailer 4€1,470 EUR
Retailer 5€1,946 EUR
18carati€1,974 EUR

25 data points across 8 retailers

8 retailers€779 EUR to €1,974 EUR

A
Cheapest Retailer
-
€779 EUR
HK$6,800 HKD
A
Retailer 2
-
€999 EUR
View
A
Retailer 3
-
€1,036 EUR
£912 GBP
View
A
Retailer 4
-
€1,111 EUR
SGD 1,677 SGD
View
A
Retailer 5
-
€1,196 EUR
$1,336 USD
View
A
Retailer 6
-
€1,470 EUR
$1,642 USD
View
B+
Retailer 7
-
€1,946 EUR
£1,712 GBP
View
Most Expensive
B+
18carati
AT-2355ISI1-0103 · Oct 31
€1,974 EUR
View
7 more retailers have this diamond
Prices start from €779 EURSave up to €1,195 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
1.03ct Cushion
€779 EUR