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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 $2,624 AUD
HK$14,400 HKD
As of November 1, 2026
Save $5,032 AUD (66%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,656 AUD 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 $2,624 to $7,656, a $5,032 spread on the same certified stone. NZ Jewellers lists it at $7,656. 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: $7,656 AUD|Low: $2,624 AUD|High: $7,885 AUD|Avg: $3,996 AUD|-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$2,624 AUD
Retailer 17$2,666 AUD
Retailer 6$2,908 AUD
Retailer 20$3,075 AUD
Retailer 13$3,244 AUD
Retailer 16$3,293 AUD
Retailer 10$3,331 AUD
Retailer 4$3,358 AUD
Retailer 5$3,516 AUD
Retailer 3$3,587 AUD
Retailer 11$3,661 AUD
Retailer 15$3,735 AUD
Retailer 14$3,791 AUD
Retailer 12$3,831 AUD
Retailer 8$3,925 AUD
Retailer 2$4,102 AUD
Retailer 9$4,184 AUD
Retailer 19$4,298 AUD
Retailer 7$4,457 AUD
Retailer 21$6,160 AUD
NZ Jewellers$7,656 AUD

19 data points across 21 retailers

22 retailers$2,624 AUD to $7,656 AUD

A
Cheapest Retailer
-
$2,624 AUD
HK$14,400 HKD
A
Retailer 2
-
$2,666 AUD
₹178,338 INR
View
A
Retailer 3
-
$2,908 AUD
$2,043 USD
View
A
Retailer 4
-
$3,075 AUD
$2,160 USD
View
B+
Retailer 5
-
$3,244 AUD
$2,279 USD
View
Final sale: no returns
A
Retailer 6
-
$3,293 AUD
$2,313 USD
View
B+
Retailer 7
-
$3,331 AUD
$2,340 USD
View
B+
Retailer 8
-
$3,358 AUD
$2,359 USD
View
B+
Retailer 9
-
$3,516 AUD
$2,470 USD
View
B+
Retailer 10
-
$3,587 AUD
$2,520 USD
View
B+
Retailer 11
-
$3,661 AUD
$2,572 USD
View
B+
Retailer 12
-
$3,735 AUD
£2,066 GBP
View
B+
Retailer 13
-
$3,791 AUD
SGD 3,599 SGD
View
B+
Retailer 14
-
$3,831 AUD
$2,691 USD
View
B+
Retailer 15
-
$3,925 AUD
$2,757 USD
View
B+
Retailer 16
-
$4,102 AUD
€2,744 EUR
View
B+
Retailer 17
-
$4,184 AUD
$2,939 USD
View
B+
Retailer 18
-
$4,298 AUD
$3,019 USD
View
Retailer 19
-
$4,308 AUD
View
Price last confirmed 25 days ago
B
Retailer 20
-
$4,457 AUD
ZAR 50,573 ZAR
View
B
Retailer 21
-
$6,160 AUD
£3,407 GBP
View
Most Expensive
B
NZ Jewellers
038b0f75-2982-4049-9341-c61daff950d1 · Oct 30
$7,656 AUD
$5,378 USD
View
21 more retailers have this diamond
Prices start from $2,624 AUDSave up to $5,032 AUD

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
$2,624 AUD