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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6505785799

Certificate GIA 6505785799

Diamond specifications and retailer prices

From $2,686 NZD
As of November 5, 2026
Save $5,849 NZD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,535 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505785799. Listed at 19 retailers as of November 5, 2026, with prices from $2,686 to $8,535, a $5,849 spread on the same certified stone. NZ Jewellers lists it at $8,535. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6505785799
Dimensions6.50 × 6.44 × 3.87 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.50 mm6.44 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6505785799
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,535 NZD|Low: $2,686 NZD|High: $8,535 NZD|Avg: $4,110 NZD|+13.0%
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
November 6, 2026
Retailer 15$2,686 NZD
Retailer 2$2,802 NZD
Retailer 9$3,209 NZD
Retailer 4$3,230 NZD
Retailer 8$3,415 NZD
Retailer 3$3,499 NZD
Retailer 13$3,504 NZD
Retailer 7$3,615 NZD
Retailer 16$3,641 NZD
Retailer 5$3,661 NZD
Retailer 10$3,720 NZD
Retailer 11$3,778 NZD
Retailer 14$4,038 NZD
Retailer 12$4,751 NZD
Retailer 6$6,331 NZD
NZ Jewellers$8,535 NZD

26 data points across 16 retailers

19 retailers$2,686 NZD to $8,535 NZD

A
Cheapest Retailer
-
$2,686 NZD
A
Retailer 2
-
$2,802 NZD
View
A
Retailer 3
-
$3,209 NZD
View
A
Retailer 4
-
$3,230 NZD
View
Final sale: no returns
A
Retailer 5
-
$3,415 NZD
View
A
Retailer 6
-
$3,455 NZD
View
A
Retailer 7
-
$3,462 NZD
View
A
Retailer 8
-
$3,499 NZD
View
A
Retailer 9
-
$3,504 NZD
View
Retailer 10
-
$3,615 NZD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$3,641 NZD
View
A
Retailer 12
-
$3,661 NZD
View
A
Retailer 13
-
$3,720 NZD
View
A
Retailer 14
-
$3,778 NZD
View
A
Retailer 15
-
$4,038 NZD
View
A
Retailer 16
-
$4,751 NZD
View
B
Retailer 17
-
$6,331 NZD
View
B
Retailer 18
-
$7,244 NZD
View
Most Expensive
B
NZ Jewellers
aae52e83-00e0-46ac-91c0-bee7bc8afd8e · Nov 5
$8,535 NZD
$4,798 USD
View
18 more retailers have this diamond
Prices start from $2,686 NZDSave up to $5,849 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
$2,686 NZD