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1.03ct I I1 Round Natural Diamond

EX • I/I1 • IGI 553252599

Shape and cutting style on the report: Round brilliant

Certificate IGI 553252599

Diamond specifications and retailer prices

From $1,587 USD
As of October 30, 2026
Save $2,660 USD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,247 USD 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 I1 clarity (included), with a top-tier cut grade and certified by IGI 553252599. Listed at 7 retailers as of October 30, 2026, with prices from $1,587 to $4,247, a $2,660 spread on the same certified stone. NZ Jewellers lists it at $4,247. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 553252599
Dimensions6.40 × 6.47 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.40 mm6.47 mm1.03 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 553252599
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: $4,247 USD|Low: $1,260 USD|High: $4,247 USD|Avg: $2,094 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$1,260 USD
Retailer 7$1,587 USD
Retailer 3$1,741 USD
Retailer 5$1,741 USD
Retailer 4$1,822 USD
Retailer 6$2,009 USD
Retailer 2$2,368 USD
NZ Jewellers$4,247 USD

12 data points across 8 retailers

7 retailers$1,587 USD to $4,247 USD

B+
Cheapest Retailer
-
$1,587 USD
B+
Retailer 2
-
$1,741 USD
View
B+
Retailer 3
-
$1,741 USD
View
B+
Retailer 4
-
$1,822 USD
View
B+
Retailer 5
-
$2,009 USD
View
B
Retailer 6
-
$2,368 USD
€2,255 EUR
View
Most Expensive
C
NZ Jewellers
3682f781-c6dd-418e-814b-b7a577963c17 · Oct 30
$4,247 USD
View
6 more retailers have this diamond
Prices start from $1,587 USDSave up to $2,660 USD

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
$1,587 USD