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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 $2,765 NZD
SGD 2,106 SGD
As of October 31, 2026
Save $2,603 NZD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,368 NZD 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 $2,765 to $5,368, a $2,603 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,368. 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: $4,574 NZD|Low: $2,765 NZD|High: $6,828 NZD|Avg: $4,428 NZD|-16.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 1, 2026
Retailer 4$2,765 NZD
Retailer 2$3,227 NZD
Retailer 6$3,545 NZD
Retailer 3$4,157 NZD
Retailer 5$4,193 NZD
Retailer 1$4,574 NZD
Retailer 7$4,963 NZD
Wholesale Diamonds Direct$5,368 NZD

30 data points across 8 retailers

8 retailers$2,765 NZD to $5,368 NZD

A
Cheapest Retailer
-
$2,765 NZD
SGD 2,106 SGD
A
Retailer 2
-
$3,227 NZD
$1,819 USD
View
A
Retailer 3
-
$3,545 NZD
SGD 2,700 SGD
View
A
Retailer 4
-
$4,157 NZD
£1,845 GBP
View
A
Retailer 5
-
$4,193 NZD
$2,363 USD
View
B+
Retailer 6
-
$4,574 NZD
€2,455 EUR
View
B+
Retailer 7
-
$4,963 NZD
$2,797 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
611346686 · Oct 26
$5,368 NZD
$3,026 USD
View
7 more retailers have this diamond
Prices start from $2,765 NZDSave up to $2,603 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
$2,765 NZD