Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7531246302

Certificate GIA 7531246302

Diamond specifications and retailer prices

From $4,383 NZD
HK$19,300 HKD
As of November 1, 2026
Save $5,155 NZD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $9,938 NZD at NZ Jewellers · As of October 20, 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 7531246302. Listed at 25 retailers as of November 1, 2026, with a 118% 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 angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7531246302
Dimensions6.40 × 6.37 × 3.93 mm
L/W Ratio1.00
Key to symbols
Feather, Indented Natural, Natural
Top View
6.40 mm6.37 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531246302
Side View
Table 61.0%Crown 32.5°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: $5,924 NZD|Low: $4,270 NZD|High: $9,653 NZD|Avg: $6,058 NZD|+0.6%
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
Retailer 15
November 2, 2026
Retailer 13$4,383 NZD
Retailer 8$4,419 NZD
Retailer 6$4,991 NZD
Retailer 4$5,062 NZD
Retailer 7$5,263 NZD
Retailer 5$5,452 NZD
Retailer 9$5,488 NZD
Retailer 2$5,631 NZD
Retailer 14$5,766 NZD
Retailer 1$5,924 NZD
Retailer 11$6,448 NZD
Retailer 12$7,011 NZD
Retailer 15$8,263 NZD
Retailer 3$8,494 NZD
Retailer 10$9,538 NZD

30 data points across 15 retailers

25 retailers$4,383 NZD to $9,538 NZD

A
Cheapest Retailer
-
$4,383 NZD
HK$19,300 HKD
A
Retailer 2
-
$4,419 NZD
₹237,214 INR
View
B+
Retailer 3
-
$4,991 NZD
SGD 3,801 SGD
View
B+
Retailer 4
-
$5,062 NZD
$2,853 USD
View
Retailer 5
-
$5,209 NZD
$2,936 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$5,263 NZD
$2,966 USD
View
Final sale: no returns
B+
Retailer 7
-
$5,452 NZD
$3,073 USD
View
B+
Retailer 8
-
$5,488 NZD
£2,436 GBP
View
B
Retailer 9
-
$5,527 NZD
$3,115 USD
View
B
Retailer 10
-
$5,631 NZD
$3,174 USD
View
Retailer 11
-
$5,704 NZD
$3,215 USD
View
Price last confirmed 17 days ago
Retailer 12
-
$5,704 NZD
$3,215 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$5,766 NZD
$3,250 USD
View
Retailer 14
-
$5,923 NZD
$3,338 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$5,924 NZD
£2,629 GBP
View
B+
Retailer 16
-
$5,959 NZD
$3,358 USD
View
B+
Retailer 17
-
$6,109 NZD
SGD 4,653 SGD
View
Retailer 18
-
$6,116 NZD
A$5,303 AUD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$6,448 NZD
€3,461 EUR
View
Retailer 20
-
$6,581 NZD
$3,709 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
$7,011 NZD
ZAR 63,837 ZAR
View
B
Retailer 22
-
$8,263 NZD
$4,657 USD
View
B
Retailer 23
-
$8,494 NZD
$4,787 USD
View
B
Retailer 24
-
$9,538 NZD
£4,233 GBP
View
Most Expensive
NZ Jewellers
50e08de8-2568-4efa-8c40-f267d318b6f9 · Oct 20
$9,938 NZD
$5,601 USD
View
Price last confirmed 12 days ago
24 more retailers have this diamond
Prices start from $4,383 NZDSave up to $5,155 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
$4,383 NZD