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1.03ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 530289660

Shape and cutting style on the report: Round brilliant

Certificate IGI 530289660

Diamond specifications and retailer prices

From $1,162 USD
As of November 4, 2026
Save $1,908 USD (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,070 USD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 530289660. Listed at 11 retailers as of November 4, 2026, with prices from $1,162 to $3,070, a $1,908 spread on the same certified stone. NZ Jewellers lists it at $3,070. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.1°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 530289660
Dimensions6.33 × 6.38 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
6.33 mm6.38 mm1.03 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 530289660
Side View
Table 59.5%Crown 36.1°Girdle: UNDPavilion 41.2°Culet: NoneDepth 63.4%

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 4
Current: $3,070 USD|Low: $968 USD|High: $3,360 USD|Avg: $1,573 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 11$1,162 USD
Retailer 6$1,205 USD
Retailer 3$1,259 USD
Retailer 14$1,259 USD
Retailer 12$1,307 USD
Retailer 4$1,330 USD
Retailer 13$1,337 USD
Retailer 10$1,393 USD
Retailer 9$1,452 USD
Retailer 5$1,497 USD
Retailer 2$1,657 USD
Retailer 7$1,784 USD
Retailer 8$2,298 USD
NZ Jewellers$3,070 USD

29 data points across 14 retailers

11 retailers$1,162 USD to $3,070 USD

A
Cheapest Retailer
-
$1,162 USD
Final sale: no returns
A
Retailer 2
-
$1,259 USD
View
Retailer 3
-
$1,259 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$1,307 USD
View
B+
Retailer 5
-
$1,337 USD
View
A
Retailer 6
-
$1,393 USD
View
A
Retailer 7
-
$1,452 USD
View
A
Retailer 8
-
$1,657 USD
View
B+
Retailer 9
-
$1,784 USD
View
B+
Retailer 10
-
$2,298 USD
View
Most Expensive
B
NZ Jewellers
775f44b5-3c46-4a1b-9b70-505a2bea8f94 · Nov 5
$3,070 USD
View
10 more retailers have this diamond
Prices start from $1,162 USDSave up to $1,908 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.

A
1.03ct Round
$1,162 USD