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Round|Natural|GIA

1.03ct D I1 Round Natural Diamond

EX • D/I1 • GIA 1397288476

Certificate GIA 1397288476

Diamond specifications and retailer prices

From €1,404 EUR
HK$12,300 HKD
As of November 1, 2026
Save €2,535 EUR (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €3,939 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 D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1397288476. Listed at 7 retailers as of October 30, 2026, with prices from €1,404 to €3,939, a €2,535 spread on the same certified stone. NZ Jewellers lists it at €3,939. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1397288476
Dimensions6.48 × 6.52 × 3.99 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Cavity, Needle
Top View
6.48 mm6.52 mm1.03 ctD / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1397288476
Side View
Table 60.0%Crown 34.5°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 61.4%

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 1
Current: €3,939 EUR|Low: €1,381 EUR|High: €3,994 EUR|Avg: €2,189 EUR|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3€1,404 EUR
Retailer 8€1,721 EUR
Retailer 9€1,803 EUR
Retailer 4€1,884 EUR
Retailer 6€1,884 EUR
Retailer 5€1,971 EUR
Retailer 7€2,174 EUR
Retailer 10€2,285 EUR
Retailer 2€2,562 EUR
NZ Jewellers€3,939 EUR

34 data points across 10 retailers

7 retailers€1,404 EUR to €3,939 EUR

A
Cheapest Retailer
-
€1,404 EUR
HK$12,300 HKD
A
Retailer 2
-
€1,884 EUR
$2,113 USD
View
A
Retailer 3
-
€1,884 EUR
$2,113 USD
View
B+
Retailer 4
-
€1,971 EUR
$2,211 USD
View
B+
Retailer 5
-
€2,174 EUR
$2,438 USD
View
B+
Retailer 6
-
€2,562 EUR
View
Most Expensive
B
NZ Jewellers
0416e7a7-6f0d-4640-8f59-d9aed5523c15 · Oct 30
€3,939 EUR
$4,418 USD
View
6 more retailers have this diamond
Prices start from €1,404 EURSave up to €2,535 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
€1,404 EUR