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Round|Natural|GIA

1.00ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 2558891992

Certificate GIA 2558891992

Diamond specifications and retailer prices

From $4,803 NZD
As of November 5, 2026
Save $3,330 NZD (41%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $10,257 NZD at MOH London · As of October 21, 2026
View at MOH London

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2558891992. Listed at 25 retailers as of November 5, 2026, with a 69% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2558891992
Dimensions6.43 × 6.44 × 3.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Natural
Top View
6.43 mm6.44 mm1.00 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2558891992
Side View
Table 60.0%Crown 33.5°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 60.4%

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 5
Current: $10,257 NZD|Low: $4,614 NZD|High: $10,325 NZD|Avg: $6,635 NZD|-0.4%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 7$4,641 NZD
Retailer 17$4,803 NZD
Retailer 2$5,248 NZD
Retailer 13$5,292 NZD
Retailer 6$5,303 NZD
Retailer 12$5,897 NZD
Retailer 4$6,466 NZD
Retailer 10$6,523 NZD
Retailer 5$6,529 NZD
Retailer 16$6,529 NZD
Retailer 9$6,541 NZD
Retailer 11$6,957 NZD
Retailer 8$7,032 NZD
Retailer 14$7,352 NZD
Retailer 15$7,742 NZD
Retailer 3$8,133 NZD
MOH London$10,257 NZD

29 data points across 17 retailers

25 retailers$4,803 NZD to $8,133 NZD

Retailer 1
-
$4,641 NZD
Price last confirmed 9 days ago
A
Retailer 2
-
$4,803 NZD
View
A
Retailer 3
-
$5,248 NZD
View
A
Retailer 4
-
$5,292 NZD
View
A
Retailer 5
-
$5,303 NZD
View
Final sale: no returns
Retailer 6
-
$5,363 NZD
View
Price last confirmed 15 days ago
Retailer 7
-
$5,623 NZD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$5,897 NZD
View
Retailer 9
-
$6,100 NZD
View
Price last confirmed 28 days ago
Retailer 10
-
$6,137 NZD
View
Price last confirmed 11 days ago
Retailer 11
-
$6,331 NZD
View
Price last confirmed 12 days ago
Retailer 12
-
$6,335 NZD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$6,466 NZD
View
B+
Retailer 14
-
$6,523 NZD
View
B+
Retailer 15
-
$6,529 NZD
View
B+
Retailer 16
-
$6,529 NZD
View
Retailer 17
-
$6,541 NZD
View
Price last confirmed 33 days ago
Retailer 18
-
$6,708 NZD
View
Price last confirmed 12 days ago
B+
Retailer 19
-
$6,957 NZD
View
Retailer 20
-
$7,039 NZD
View
Price last confirmed 28 days ago
Retailer 21
-
$7,108 NZD
View
Price last confirmed 48 days ago
B
Retailer 22
-
$7,352 NZD
View
B+
Retailer 23
-
$7,742 NZD
View
B
Retailer 24
-
$8,133 NZD
View
Most Expensive
MOH London
B0C777A9D · Oct 21
$10,257 NZD
£4,540 GBP
View
Price last confirmed 15 days ago
24 more retailers have this diamond
Prices start from $4,803 NZDSave up to $3,330 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
$4,803 NZD