Round|Natural|GIA

1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 5566677083

Certificate GIA 5566677083

Diamond specifications and retailer prices

From $1,945 USD
As of November 1, 2026
Save $2,592 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,414 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566677083. Listed at 17 retailers as of November 1, 2026, with a 133% 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5566677083
Dimensions6.45 × 6.49 × 3.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.45 mm6.49 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566677083
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,414 USD|Low: $1,932 USD|High: $5,414 USD|Avg: $2,949 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 16$1,945 USD
Retailer 13$2,044 USD
Retailer 2$2,354 USD
Retailer 14$2,380 USD
Retailer 10$2,390 USD
Retailer 7$2,416 USD
Retailer 4$2,590 USD
Retailer 18$2,590 USD
Retailer 8$2,650 USD
Retailer 9$2,708 USD
Retailer 3$2,709 USD
Retailer 6$2,730 USD
Retailer 11$2,751 USD
Retailer 17$2,988 USD
Retailer 12$3,220 USD
Retailer 15$4,537 USD
Retailer 5$4,819 USD
NZ Jewellers$5,414 USD

11 data points across 18 retailers

17 retailers$1,945 USD to $4,537 USD

A
Cheapest Retailer
-
$1,945 USD
A
Retailer 2
-
$2,044 USD
View
A
Retailer 3
-
$2,354 USD
View
A
Retailer 4
-
$2,380 USD
View
A
Retailer 5
-
$2,416 USD
View
Retailer 6
-
$2,590 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$2,590 USD
View
A
Retailer 8
-
$2,650 USD
View
Retailer 9
-
$2,708 USD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$2,709 USD
View
B+
Retailer 11
-
$2,730 USD
View
B+
Retailer 12
-
$2,751 USD
View
B+
Retailer 13
-
$2,988 USD
View
B+
Retailer 14
-
$3,220 USD
View
B
Retailer 15
-
$4,537 USD
View
Retailer 16
-
$4,819 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
368f4929-beb8-45a7-a59c-13c6aee169f1 · Oct 30
$5,414 USD
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from $1,945 USDSave up to $2,592 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
$1,945 USD