Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2547648823

Certificate GIA 2547648823

Diamond specifications and retailer prices

From $2,572 USD
As of November 4, 2026
Save $3,074 USD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,136 USD at NZ Jewellers · As of October 20, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547648823. Listed at 17 retailers as of November 4, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2547648823
Dimensions6.44 × 6.46 × 4.03 mm
L/W Ratio1.00
Star length50%
Top View
6.44 mm6.46 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547648823
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.5%

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: $3,583 USD|Low: $2,572 USD|High: $5,961 USD|Avg: $3,753 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$2,572 USD
Retailer 8$2,584 USD
Retailer 3$3,005 USD
Retailer 2$3,124 USD
Retailer 6$3,237 USD
Retailer 12$3,270 USD
Retailer 5$3,481 USD
Retailer 11$3,529 USD
Retailer 1$3,583 USD
Retailer 10$3,774 USD
Retailer 7$4,131 USD
Retailer 9$5,646 USD

30 data points across 12 retailers

17 retailers$2,572 USD to $5,646 USD

A
Cheapest Retailer
-
$2,572 USD
A
Retailer 2
-
$2,584 USD
View
A
Retailer 3
-
$3,005 USD
View
A
Retailer 4
-
$3,124 USD
View
Final sale: no returns
A
Retailer 5
-
$3,237 USD
View
B+
Retailer 6
-
$3,270 USD
View
B+
Retailer 7
-
$3,481 USD
View
Retailer 8
-
$3,522 USD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
$3,529 USD
View
B+
Retailer 10
-
$3,583 USD
View
Retailer 11
-
$3,657 USD
View
Price last confirmed 22 days ago
Retailer 12
-
$3,762 USD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$3,774 USD
View
Retailer 14
-
$4,064 USD
View
Price last confirmed 19 days ago
B+
Retailer 15
-
$4,131 USD
View
B
Retailer 16
-
$5,646 USD
View
Most Expensive
NZ Jewellers
36454d45-126b-4b14-b04c-79625ceba885 · Oct 20
$6,136 USD
View
Price last confirmed 16 days ago
16 more retailers have this diamond
Prices start from $2,572 USDSave up to $3,074 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
$2,572 USD