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Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7566188827

Certificate GIA 7566188827

Diamond specifications and retailer prices

From $2,219 AUD
SGD 2,106 SGD
As of October 31, 2026
Save $2,089 AUD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,307 AUD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 7566188827. Listed at 8 retailers as of October 26, 2026, with prices from $2,219 to $4,307, a $2,089 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,307. 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
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7566188827
Dimensions6.37 × 6.41 × 4.00 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.37 mm6.41 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7566188827
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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: Oct 31
Current: $3,670 AUD|Low: $2,219 AUD|High: $5,479 AUD|Avg: $3,553 AUD|-16.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 1, 2026
Retailer 4$2,219 AUD
Retailer 2$2,590 AUD
Retailer 6$2,844 AUD
Retailer 3$3,336 AUD
Retailer 5$3,365 AUD
Retailer 1$3,670 AUD
Retailer 7$3,982 AUD
Wholesale Diamonds Direct$4,307 AUD

30 data points across 8 retailers

8 retailers$2,219 AUD to $4,307 AUD

A
Cheapest Retailer
-
$2,219 AUD
SGD 2,106 SGD
A
Retailer 2
-
$2,590 AUD
$1,819 USD
View
A
Retailer 3
-
$2,844 AUD
SGD 2,700 SGD
View
A
Retailer 4
-
$3,336 AUD
£1,845 GBP
View
A
Retailer 5
-
$3,365 AUD
$2,363 USD
View
B+
Retailer 6
-
$3,670 AUD
€2,455 EUR
View
B+
Retailer 7
-
$3,982 AUD
$2,797 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
611346686 · Oct 26
$4,307 AUD
$3,026 USD
View
7 more retailers have this diamond
Prices start from $2,219 AUDSave up to $2,089 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
$2,219 AUD