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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 €2,973 EUR
$3,322 USD
As of October 30, 2026
Save €3,468 EUR (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €6,441 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 €2,973 to €6,441, a €3,468 spread on the same certified stone. NZ Jewellers lists it at €6,441. 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

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: Oct 30
Current: €3,727 EUR|Low: €3,039 EUR|High: €6,258 EUR|Avg: €4,026 EUR|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6€3,039 EUR
Retailer 7€3,092 EUR
Retailer 9€3,478 EUR
Retailer 4€3,568 EUR
Retailer 1€3,727 EUR
Retailer 8€3,964 EUR
Retailer 3€4,184 EUR
Retailer 2€4,545 EUR
Retailer 5€6,192 EUR

38 data points across 9 retailers

16 retailers€2,973 EUR to €6,441 EUR

B+
Cheapest Retailer
-
€2,973 EUR
$3,322 USD
Retailer 2
-
€3,039 EUR
$3,395 USD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
€3,092 EUR
$3,454 USD
View
Final sale: no returns
B+
Retailer 4
-
€3,209 EUR
$3,585 USD
View
B
Retailer 5
-
€3,349 EUR
$3,742 USD
View
B
Retailer 6
-
€3,349 EUR
$3,742 USD
View
B
Retailer 7
-
€3,478 EUR
$3,886 USD
View
B
Retailer 8
-
€3,568 EUR
£3,139 GBP
View
B
Retailer 9
-
€3,727 EUR
£3,279 GBP
View
B
Retailer 10
-
€3,865 EUR
$4,318 USD
View
Retailer 11
-
€3,964 EUR
A$6,814 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
€4,184 EUR
View
Retailer 13
-
€4,185 EUR
$4,675 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
€4,545 EUR
ZAR 82,025 ZAR
View
B
Retailer 15
-
€6,192 EUR
£5,447 GBP
View
Most Expensive
B
NZ Jewellers
1de9a972-c0cf-4415-9d8b-f6fada7927d6 · Oct 30
€6,441 EUR
$7,196 USD
View
15 more retailers have this diamond
Prices start from €2,973 EURSave up to €3,468 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
€2,973 EUR