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Round|Natural|IGI

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • IGI 560222303

Shape and cutting style on the report: Round brilliant

Certificate IGI 560222303

Diamond specifications and retailer prices

From $1,661 USD
As of November 6, 2026
Save $2,276 USD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,483 USD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct 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 IGI 560222303. Listed at 14 retailers as of November 5, 2026, with a 137% 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

1.05
Carat
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 560222303
Dimensions6.49 × 6.46 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.49 mm6.46 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 560222303
Side View
Table 59.5%Crown 36.2°Girdle: MED-STKPavilion 40.6°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 6
Current: $1,661 USD|Low: $1,555 USD|High: $3,258 USD|Avg: $2,098 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$1,661 USD
Retailer 5$1,695 USD
Retailer 6$1,696 USD
Retailer 8$1,786 USD
Retailer 7$1,838 USD
Retailer 2$2,133 USD
Retailer 9$2,213 USD
Retailer 3$2,494 USD
Retailer 4$3,211 USD

41 data points across 9 retailers

14 retailers$1,661 USD to $3,937 USD

A
Cheapest Retailer
-
$1,661 USD
A
Retailer 2
-
$1,695 USD
View
A
Retailer 3
-
$1,696 USD
View
Final sale: no returns
A
Retailer 4
-
$1,786 USD
View
Retailer 5
-
$1,838 USD
View
Price last confirmed 39 days ago
Retailer 6
-
$1,838 USD
View
Price last confirmed 36 days ago
Retailer 7
-
$1,923 USD
View
Price last confirmed 38 days ago
Retailer 8
-
$2,121 USD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$2,133 USD
View
A
Retailer 10
-
$2,494 USD
View
B+
Retailer 11
-
$3,211 USD
View
B
Retailer 12
-
$3,937 USD
View
Retailer 13
-
$4,483 USD
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
18803ad2-e4cb-4593-a7bf-0a513597ce35 · Sep 28
$4,483 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from $1,661 USDSave up to $2,276 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
1.05ct Round
$1,661 USD