Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5232762401

Certificate GIA 5232762401

Diamond specifications and retailer prices

From $4,274 NZD
$2,409 USD
As of November 1, 2026
Save $4,829 NZD (53%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $11,018 NZD at NZ Jewellers · As of September 28, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5232762401. Listed at 23 retailers as of October 28, 2026, with a 113% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 5232762401
Dimensions6.39 × 6.44 × 3.95 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Feather, Crystal, Cavity, Indented Natural
Top View
6.39 mm6.44 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232762401
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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 1
Current: $5,601 NZD|Low: $4,038 NZD|High: $9,137 NZD|Avg: $5,946 NZD|+1.4%
Retailer 1
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 2, 2026
Retailer 3$4,274 NZD
Retailer 2$4,406 NZD
Retailer 4$4,702 NZD
Retailer 8$5,071 NZD
Retailer 14$5,252 NZD
Retailer 13$5,413 NZD
Retailer 5$5,429 NZD
Retailer 1$5,601 NZD
Retailer 6$5,926 NZD
Retailer 12$6,140 NZD
Retailer 7$6,142 NZD
Retailer 10$6,478 NZD
Retailer 9$8,813 NZD
Retailer 11$9,104 NZD

34 data points across 14 retailers

23 retailers$4,274 NZD to $9,104 NZD

A
Cheapest Retailer
-
$4,274 NZD
$2,409 USD
B+
Retailer 2
-
$4,406 NZD
$2,483 USD
View
Final sale: no returns
B+
Retailer 3
-
$4,702 NZD
$2,650 USD
View
Retailer 4
-
$4,775 NZD
$2,691 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$4,775 NZD
$2,691 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$4,839 NZD
$2,727 USD
View
Retailer 7
-
$4,957 NZD
$2,794 USD
View
Price last confirmed 33 days ago
B+
Retailer 8
-
$5,071 NZD
£2,250 GBP
View
B+
Retailer 9
-
$5,252 NZD
$2,960 USD
View
B+
Retailer 10
-
$5,252 NZD
$2,960 USD
View
B+
Retailer 11
-
$5,413 NZD
$3,051 USD
View
B+
Retailer 12
-
$5,429 NZD
$3,060 USD
View
Retailer 13
-
$5,509 NZD
$3,105 USD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
$5,601 NZD
£2,486 GBP
View
Retailer 15
-
$5,926 NZD
A$5,139 AUD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$5,971 NZD
$3,366 USD
View
Retailer 17
-
$6,120 NZD
$3,449 USD
View
Price last confirmed 18 days ago
B+
Retailer 18
-
$6,140 NZD
£2,725 GBP
View
B+
Retailer 19
-
$6,142 NZD
€3,297 EUR
View
B+
Retailer 20
-
$6,478 NZD
ZAR 58,980 ZAR
View
B
Retailer 21
-
$8,813 NZD
£3,911 GBP
View
B
Retailer 22
-
$9,104 NZD
£4,040 GBP
View
Most Expensive
NZ Jewellers
b16bc193-1874-4cc3-881b-7a80326ba18d · Sep 28
$11,018 NZD
$6,210 USD
View
Price last confirmed 35 days ago
22 more retailers have this diamond
Prices start from $4,274 NZDSave up to $4,829 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
$4,274 NZD