Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5546576779

Certificate GIA 5546576779

Diamond specifications and retailer prices

From €1,824 EUR
As of November 6, 2026
Save €2,462 EUR (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,286 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct natural round diamond

This 1.03ct 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 5546576779. Listed at 12 retailers as of November 2, 2026, with prices from €1,824 to €4,286, a €2,462 spread on the same certified stone. MOH London lists it at €4,286. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5546576779
Dimensions6.44 × 6.48 × 4.03 mm
L/W Ratio1.01
Top View
6.44 mm6.48 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546576779
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 6
Current: €4,286 EUR|Low: €1,824 EUR|High: €4,337 EUR|Avg: €2,658 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 4€1,824 EUR
Retailer 8€1,939 EUR
Retailer 6€2,248 EUR
Retailer 2€2,573 EUR
Retailer 7€2,741 EUR
Retailer 3€2,850 EUR
Retailer 5€2,985 EUR
MOH London€4,286 EUR

36 data points across 8 retailers

12 retailers€1,824 EUR to €4,286 EUR

A
Cheapest Retailer
-
€1,824 EUR
A
Retailer 2
-
€1,939 EUR
View
Final sale: no returns
A
Retailer 3
-
€2,062 EUR
View
B+
Retailer 4
-
€2,191 EUR
View
B+
Retailer 5
-
€2,248 EUR
View
Retailer 6
-
€2,446 EUR
View
Price last confirmed 30 days ago
B+
Retailer 7
-
€2,572 EUR
View
B+
Retailer 8
-
€2,573 EUR
View
Retailer 9
-
€2,741 EUR
View
Price last confirmed 31 days ago
B+
Retailer 10
-
€2,850 EUR
View
B
Retailer 11
-
€2,985 EUR
View
Most Expensive
B
MOH London
BBA9EAD01 · Nov 2
€4,286 EUR
£3,768 GBP
View
11 more retailers have this diamond
Prices start from €1,824 EURSave up to €2,462 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 Round
€1,824 EUR