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Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1523721555

Certificate GIA 1523721555

Diamond specifications and retailer prices

From $2,868 USD
As of November 4, 2026
Save $3,292 USD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,160 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523721555. Listed at 20 retailers as of November 4, 2026, with prices from $2,868 to $6,160, a $3,292 spread on the same certified stone. NZ Jewellers lists it at $6,160. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1523721555
Dimensions6.50 × 6.48 × 4.04 mm
L/W Ratio1.00
Key to symbols
Twinning Wisp, Cloud, Feather, Crystal, Needle, Indented Natural
Top View
6.50 mm6.48 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523721555
Side View
Table 57.0%Crown 34.5°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,160 USD|Low: $2,385 USD|High: $6,160 USD|Avg: $3,735 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
November 6, 2026
Retailer 5$2,868 USD
Retailer 4$2,870 USD
Retailer 3$2,925 USD
Retailer 10$3,203 USD
Retailer 13$3,203 USD
Retailer 11$3,327 USD
Retailer 2$3,383 USD
Retailer 7$3,636 USD
Retailer 14$3,696 USD
Retailer 6$3,787 USD
Retailer 9$3,860 USD
Retailer 8$4,316 USD
Retailer 12$5,944 USD
NZ Jewellers$6,160 USD

31 data points across 14 retailers

20 retailers$2,868 USD to $6,160 USD

B+
Cheapest Retailer
-
$2,868 USD
B+
Retailer 2
-
$2,870 USD
View
B+
Retailer 3
-
$2,925 USD
View
B+
Retailer 4
-
$2,993 USD
View
Retailer 5
-
$3,203 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,203 USD
View
B
Retailer 7
-
$3,327 USD
View
B+
Retailer 8
-
$3,383 USD
View
B+
Retailer 9
-
$3,444 USD
View
B+
Retailer 10
-
$3,636 USD
View
B
Retailer 11
-
$3,640 USD
View
B
Retailer 12
-
$3,640 USD
View
B
Retailer 13
-
$3,696 USD
View
B
Retailer 14
-
$3,760 USD
View
Retailer 15
-
$3,787 USD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$3,860 USD
View
Retailer 17
-
$4,006 USD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$4,316 USD
View
Retailer 19
-
$5,944 USD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
1a135e1e-7c15-4aae-97a8-2c1afcc886a3 · Nov 5
$6,160 USD
View
19 more retailers have this diamond
Prices start from $2,868 USDSave up to $3,292 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.

B+
1.05ct Round
$2,868 USD