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Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2477931156

Certificate GIA 2477931156

Diamond specifications and retailer prices

From €2,962 EUR
$3,322 USD
As of November 1, 2026
Save €3,454 EUR (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €6,416 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 2477931156. Listed at 16 retailers as of October 30, 2026, with prices from €2,962 to €6,416, a €3,454 spread on the same certified stone. NZ Jewellers lists it at €6,416. 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 angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2477931156
Dimensions6.50 × 6.47 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.50 mm6.47 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2477931156
Side View
Table 57.0%Crown 36°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €3,543 EUR|Low: €3,027 EUR|High: €6,233 EUR|Avg: €4,004 EUR|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6€3,027 EUR
Retailer 7€3,080 EUR
Retailer 9€3,465 EUR
Retailer 1€3,543 EUR
Retailer 2€3,744 EUR
Retailer 8€3,949 EUR
Retailer 3€4,150 EUR
Retailer 5€4,527 EUR
Retailer 4€6,159 EUR

36 data points across 9 retailers

16 retailers€2,962 EUR to €6,416 EUR

B+
Cheapest Retailer
-
€2,962 EUR
$3,322 USD
B+
Retailer 2
-
€3,027 EUR
$3,395 USD
View
B+
Retailer 3
-
€3,080 EUR
$3,454 USD
View
Final sale: no returns
B+
Retailer 4
-
€3,196 EUR
$3,585 USD
View
B
Retailer 5
-
€3,336 EUR
$3,742 USD
View
B
Retailer 6
-
€3,336 EUR
$3,742 USD
View
B
Retailer 7
-
€3,465 EUR
$3,886 USD
View
B
Retailer 8
-
€3,543 EUR
£3,129 GBP
View
B
Retailer 9
-
€3,744 EUR
£3,306 GBP
View
B
Retailer 10
-
€3,850 EUR
$4,318 USD
View
Retailer 11
-
€3,949 EUR
A$6,814 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
€4,150 EUR
View
Retailer 13
-
€4,168 EUR
$4,675 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
€4,527 EUR
ZAR 82,025 ZAR
View
B
Retailer 15
-
€6,159 EUR
£5,439 GBP
View
Most Expensive
B
NZ Jewellers
1de9a972-c0cf-4415-9d8b-f6fada7927d6 · Oct 30
€6,416 EUR
$7,196 USD
View
15 more retailers have this diamond
Prices start from €2,962 EURSave up to €3,454 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.

B+
1.03ct Round
€2,962 EUR