Round|Natural|GIA

1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1493000926

Certificate GIA 1493000926

Diamond specifications and retailer prices

From $2,346 USD
As of November 5, 2026
Save $2,231 USD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,476 USD at NZ Jewellers · As of September 26, 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 1493000926. Listed at 13 retailers as of November 4, 2026, with a 95% 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 angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1493000926
Dimensions6.50 × 6.45 × 4.00 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Key to symbols
Crystal, Needle, Feather
Top View
6.50 mm6.45 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1493000926
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.8%

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 5
Current: $2,755 USD|Low: $1,963 USD|High: $4,644 USD|Avg: $2,705 USD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7$1,969 USD
Retailer 2$2,346 USD
Retailer 4$2,376 USD
Retailer 8$2,410 USD
Retailer 9$2,417 USD
Retailer 10$2,619 USD
Retailer 6$2,720 USD
Retailer 1$2,755 USD
Retailer 5$3,257 USD
Retailer 3$4,577 USD

37 data points across 10 retailers

13 retailers$2,346 USD to $4,577 USD

Retailer 1
-
$1,969 USD
Price last confirmed 14 days ago
Retailer 2
-
$2,143 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$2,346 USD
View
A
Retailer 4
-
$2,376 USD
View
A
Retailer 5
-
$2,410 USD
View
A
Retailer 6
-
$2,417 USD
View
Final sale: no returns
Retailer 7
-
$2,619 USD
View
Price last confirmed 43 days ago
B+
Retailer 8
-
$2,720 USD
View
A
Retailer 9
-
$2,755 USD
View
B+
Retailer 10
-
$2,760 USD
View
B+
Retailer 11
-
$3,257 USD
View
B
Retailer 12
-
$4,577 USD
View
Most Expensive
NZ Jewellers
38b38ea0-0b5e-4cf6-ba16-30d50b66c28f · Sep 26
$5,476 USD
View
Price last confirmed 40 days ago
12 more retailers have this diamond
Prices start from $2,346 USDSave up to $2,231 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
$2,346 USD