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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1565015895

Certificate GIA 1565015895

Diamond specifications and retailer prices

From $1,279 USD
As of November 5, 2026
Save $2,895 USD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,174 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565015895. Listed at 12 retailers as of November 5, 2026, with prices from $1,279 to $4,174, a $2,895 spread on the same certified stone. NZ Jewellers lists it at $4,174. 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

1.00
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565015895
Dimensions6.38 × 6.43 × 3.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle, Indented Natural, Natural
Top View
6.38 mm6.43 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1565015895
Side View
Table 60.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 61.7%

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: $4,174 USD|Low: $1,279 USD|High: $4,303 USD|Avg: $2,106 USD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$1,279 USD
Retailer 4$1,548 USD
Retailer 11$1,569 USD
Retailer 2$1,592 USD
Retailer 10$1,711 USD
Retailer 3$1,801 USD
Retailer 7$1,810 USD
Retailer 5$1,888 USD
Retailer 8$1,974 USD
Retailer 6$2,169 USD
Retailer 12$3,008 USD
NZ Jewellers$4,174 USD

22 data points across 12 retailers

12 retailers$1,279 USD to $4,174 USD

A
Cheapest Retailer
-
$1,279 USD
A
Retailer 2
-
$1,548 USD
View
A
Retailer 3
-
$1,569 USD
View
A
Retailer 4
-
$1,592 USD
View
A
Retailer 5
-
$1,711 USD
View
A
Retailer 6
-
$1,801 USD
View
A
Retailer 7
-
$1,810 USD
View
A
Retailer 8
-
$1,888 USD
View
A
Retailer 9
-
$1,974 USD
View
A
Retailer 10
-
$2,169 USD
View
B+
Retailer 11
-
$3,008 USD
View
Most Expensive
B
NZ Jewellers
f3872ce2-97c1-48fd-8cb1-51f0539967c1 · Nov 5
$4,174 USD
View
11 more retailers have this diamond
Prices start from $1,279 USDSave up to $2,895 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
1.00ct Round
$1,279 USD