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Round|Natural|GIA

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 3555581539

Certificate GIA 3555581539

Diamond specifications and retailer prices

From €1,868 EUR
HK$16,300 HKD
As of October 30, 2026
Save €2,524 EUR (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,391 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.13ct natural round diamond

This 1.13ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555581539. Listed at 16 retailers as of October 26, 2026, with prices from €1,868 to €4,391, a €2,524 spread on the same certified stone. MOH London lists it at €4,391. 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

1.13
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555581539
Dimensions6.65 × 6.61 × 4.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.65 mm6.61 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555581539
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.0%

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 30
Current: €4,391 EUR|Low: €1,868 EUR|High: €4,523 EUR|Avg: €2,617 EUR|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 4€1,868 EUR
Retailer 9€2,004 EUR
Retailer 5€2,007 EUR
Retailer 14€2,093 EUR
Retailer 2€2,159 EUR
Retailer 15€2,199 EUR
Retailer 13€2,247 EUR
Retailer 3€2,265 EUR
Retailer 7€2,337 EUR
Retailer 10€2,425 EUR
Retailer 8€2,466 EUR
Retailer 11€2,572 EUR
Retailer 17€2,872 EUR
Retailer 12€3,048 EUR
Retailer 6€3,652 EUR
Retailer 16€3,777 EUR
MOH London€4,391 EUR

21 data points across 17 retailers

16 retailers€1,868 EUR to €4,391 EUR

A
Cheapest Retailer
-
€1,868 EUR
HK$16,300 HKD
A
Retailer 2
-
€2,007 EUR
$2,242 USD
View
A
Retailer 3
-
€2,093 EUR
$2,338 USD
View
Final sale: no returns
A
Retailer 4
-
€2,159 EUR
View
A
Retailer 5
-
€2,199 EUR
$2,457 USD
View
A
Retailer 6
-
€2,203 EUR
A$3,786 AUD
View
A
Retailer 7
-
€2,247 EUR
$2,510 USD
View
A
Retailer 8
-
€2,265 EUR
$2,530 USD
View
A
Retailer 9
-
€2,337 EUR
$2,611 USD
View
A
Retailer 10
-
€2,425 EUR
£2,133 GBP
View
B+
Retailer 11
-
€2,466 EUR
A$4,238 AUD
View
B+
Retailer 12
-
€2,572 EUR
$2,873 USD
View
B+
Retailer 13
-
€3,048 EUR
ZAR 55,006 ZAR
View
B
Retailer 14
-
€3,652 EUR
$4,080 USD
View
B
Retailer 15
-
€3,777 EUR
$4,219 USD
View
Most Expensive
B
MOH London
4314482EF · Oct 26
€4,391 EUR
£3,863 GBP
View
15 more retailers have this diamond
Prices start from €1,868 EURSave up to €2,524 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
1.13ct Round
€1,868 EUR