Round|Natural|GIA

1.03ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6435443395

Certificate GIA 6435443395

Diamond specifications and retailer prices

From $1,451 USD
As of October 31, 2026
Save $3,453 USD (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,904 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 GIA 6435443395. Listed at 18 retailers as of October 31, 2026, with prices from $1,451 to $4,904, a $3,453 spread on the same certified stone. NZ Jewellers lists it at $4,904. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6435443395
Dimensions6.53 × 6.50 × 3.99 mm
L/W Ratio1.00
Top View
6.53 mm6.50 mm1.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435443395
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.3%

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: Oct 31
Current: $2,031 USD|Low: $1,446 USD|High: $3,564 USD|Avg: $2,073 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$1,451 USD
Retailer 8$1,459 USD
Retailer 10$1,817 USD
Retailer 2$1,856 USD
Retailer 11$1,870 USD
Retailer 9$1,917 USD
Retailer 1$2,031 USD
Retailer 3$2,103 USD
Retailer 4$2,158 USD
Retailer 6$2,453 USD
Retailer 5$3,512 USD

44 data points across 11 retailers

18 retailers$1,451 USD to $4,904 USD

A
Cheapest Retailer
-
$1,451 USD
A
Retailer 2
-
$1,459 USD
View
A
Retailer 3
-
$1,763 USD
View
A
Retailer 4
-
$1,817 USD
View
A
Retailer 5
-
$1,856 USD
View
Final sale: no returns
A
Retailer 6
-
$1,870 USD
View
A
Retailer 7
-
$1,917 USD
View
A
Retailer 8
-
$1,968 USD
View
A
Retailer 9
-
$2,011 USD
View
Retailer 10
-
$2,011 USD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$2,031 USD
View
A
Retailer 12
-
$2,103 USD
View
A
Retailer 13
-
$2,148 USD
View
A
Retailer 14
-
$2,158 USD
View
B+
Retailer 15
-
$2,320 USD
View
A
Retailer 16
-
$2,453 USD
View
B+
Retailer 17
-
$3,512 USD
View
Most Expensive
B
NZ Jewellers
ae6a3d35-d18a-4c9c-8b6a-2d89eccf02e4 · Nov 5
$4,904 USD
View
17 more retailers have this diamond
Prices start from $1,451 USDSave up to $3,453 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
$1,451 USD