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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 7566140739

Certificate GIA 7566140739

Diamond specifications and retailer prices

From $2,165 NZD
As of November 6, 2026
Save $1,509 NZD (41%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,552 NZD at NZ Jewellers · As of October 9, 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 7566140739. Listed at 6 retailers as of November 5, 2026, with a 70% 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

1.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7566140739
Dimensions6.38 × 6.41 × 3.99 mm
L/W Ratio1.00
Star length45%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cavity, Needle, Etch Channel, Natural
Top View
6.38 mm6.41 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566140739
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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 6
Current: $2,165 NZD|Low: $2,165 NZD|High: $5,031 NZD|Avg: $3,197 NZD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$2,165 NZD
Retailer 7$2,489 NZD
Retailer 4$2,544 NZD
Retailer 9$2,889 NZD
Retailer 3$2,917 NZD
Retailer 8$2,926 NZD
Retailer 5$3,006 NZD
Retailer 2$3,673 NZD
Retailer 6$4,762 NZD

22 data points across 9 retailers

6 retailers$2,165 NZD to $3,673 NZD

A
Cheapest Retailer
-
$2,165 NZD
A
Retailer 2
-
$2,522 NZD
View
Retailer 3
-
$2,686 NZD
View
Price last confirmed 28 days ago
Retailer 4
-
$3,099 NZD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$3,673 NZD
View
Most Expensive
NZ Jewellers
ff73ea65-2b86-43ac-8432-cccaf066eab6 · Oct 9
$6,552 NZD
$3,683 USD
View
Price last confirmed 28 days ago
5 more retailers have this diamond
Prices start from $2,165 NZDSave up to $1,509 NZD

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
$2,165 NZD