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Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 7558404283

Certificate GIA 7558404283

Diamond specifications and retailer prices

From $3,270 NZD
HK$14,400 HKD
As of November 1, 2026
Save $6,272 NZD (66%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,542 NZD at NZ Jewellers · As of October 30, 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 very-good cut grade and certified by GIA 7558404283. Listed at 22 retailers as of October 30, 2026, with prices from $3,270 to $9,542, a $6,272 spread on the same certified stone. NZ Jewellers lists it at $9,542. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558404283
Dimensions6.23 × 6.16 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.23 mm6.16 mm1.00 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558404283
Side View
Table 59.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.7%

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 1
Current: $9,542 NZD|Low: $3,270 NZD|High: $9,828 NZD|Avg: $4,981 NZD|-2.9%
NZ Jewellers
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 18$3,270 NZD
Retailer 17$3,322 NZD
Retailer 6$3,625 NZD
Retailer 20$3,832 NZD
Retailer 13$4,044 NZD
Retailer 16$4,104 NZD
Retailer 10$4,152 NZD
Retailer 4$4,186 NZD
Retailer 5$4,383 NZD
Retailer 3$4,471 NZD
Retailer 11$4,563 NZD
Retailer 15$4,655 NZD
Retailer 14$4,725 NZD
Retailer 12$4,775 NZD
Retailer 8$4,892 NZD
Retailer 2$5,112 NZD
Retailer 9$5,215 NZD
Retailer 19$5,357 NZD
Retailer 7$5,554 NZD
Retailer 21$7,677 NZD
NZ Jewellers$9,542 NZD

19 data points across 21 retailers

22 retailers$3,270 NZD to $9,542 NZD

A
Cheapest Retailer
-
$3,270 NZD
HK$14,400 HKD
A
Retailer 2
-
$3,322 NZD
₹178,338 INR
View
A
Retailer 3
-
$3,625 NZD
$2,043 USD
View
A
Retailer 4
-
$3,832 NZD
$2,160 USD
View
B+
Retailer 5
-
$4,044 NZD
$2,279 USD
View
Final sale: no returns
A
Retailer 6
-
$4,104 NZD
$2,313 USD
View
B+
Retailer 7
-
$4,152 NZD
$2,340 USD
View
B+
Retailer 8
-
$4,186 NZD
$2,359 USD
View
B+
Retailer 9
-
$4,383 NZD
$2,470 USD
View
B+
Retailer 10
-
$4,471 NZD
$2,520 USD
View
B+
Retailer 11
-
$4,563 NZD
$2,572 USD
View
B+
Retailer 12
-
$4,655 NZD
£2,066 GBP
View
B+
Retailer 13
-
$4,725 NZD
SGD 3,599 SGD
View
B+
Retailer 14
-
$4,775 NZD
$2,691 USD
View
B+
Retailer 15
-
$4,892 NZD
$2,757 USD
View
B+
Retailer 16
-
$5,112 NZD
€2,744 EUR
View
B+
Retailer 17
-
$5,215 NZD
$2,939 USD
View
B+
Retailer 18
-
$5,357 NZD
$3,019 USD
View
Retailer 19
-
$5,369 NZD
A$4,656 AUD
View
Price last confirmed 25 days ago
B
Retailer 20
-
$5,554 NZD
ZAR 50,573 ZAR
View
B
Retailer 21
-
$7,677 NZD
£3,407 GBP
View
Most Expensive
B
NZ Jewellers
038b0f75-2982-4049-9341-c61daff950d1 · Oct 30
$9,542 NZD
$5,378 USD
View
21 more retailers have this diamond
Prices start from $3,270 NZDSave up to $6,272 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
$3,270 NZD