Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7423988908

Certificate GIA 7423988908

Diamond specifications and retailer prices

From $2,022 USD
As of November 6, 2026
Save $3,659 USD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,681 USD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7423988908. Listed at 18 retailers as of November 5, 2026, with prices from $2,022 to $5,681, a $3,659 spread on the same certified stone. NZ Jewellers lists it at $5,681. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7423988908
Dimensions6.54 × 6.51 × 4.06 mm
L/W Ratio1.00
Top View
6.54 mm6.51 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7423988908
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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: $5,681 USD|Low: $1,886 USD|High: $5,681 USD|Avg: $3,268 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6$2,022 USD
Retailer 7$2,224 USD
Retailer 8$2,272 USD
Retailer 10$2,575 USD
Retailer 3$2,859 USD
Retailer 9$3,044 USD
Retailer 5$3,057 USD
Retailer 2$3,316 USD
Retailer 4$4,748 USD
NZ Jewellers$5,681 USD

43 data points across 10 retailers

18 retailers$2,022 USD to $5,681 USD

A
Cheapest Retailer
-
$2,022 USD
A
Retailer 2
-
$2,224 USD
View
A
Retailer 3
-
$2,225 USD
View
A
Retailer 4
-
$2,272 USD
View
Final sale: no returns
A
Retailer 5
-
$2,375 USD
View
B+
Retailer 6
-
$2,462 USD
View
Retailer 7
-
$2,462 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,575 USD
View
B+
Retailer 9
-
$2,830 USD
View
B+
Retailer 10
-
$2,830 USD
View
B+
Retailer 11
-
$2,841 USD
View
B+
Retailer 12
-
$2,859 USD
View
B+
Retailer 13
-
$2,920 USD
View
Retailer 14
-
$3,044 USD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
$3,057 USD
View
B+
Retailer 16
-
$3,316 USD
View
B
Retailer 17
-
$4,748 USD
View
Most Expensive
B
NZ Jewellers
96e44543-1306-4d89-b4a9-f2289f918478 · Nov 5
$5,681 USD
View
17 more retailers have this diamond
Prices start from $2,022 USDSave up to $3,659 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
$2,022 USD