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Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6552716380

Certificate GIA 6552716380

Diamond specifications and retailer prices

From $3,579 NZD
As of November 6, 2026
Save $6,346 NZD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,925 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552716380. Listed at 19 retailers as of November 5, 2026, with prices from $3,579 to $9,925, a $6,346 spread on the same certified stone. NZ Jewellers lists it at $9,925. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552716380
Dimensions6.34 × 6.37 × 3.99 mm
L/W Ratio1.00
Top View
6.34 mm6.37 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552716380
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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 6
Current: $3,590 NZD|Low: $3,579 NZD|High: $8,415 NZD|Avg: $5,239 NZD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$3,579 NZD
Retailer 1$3,590 NZD
Retailer 8$4,517 NZD
Retailer 3$4,539 NZD
Retailer 9$4,690 NZD
Retailer 2$4,993 NZD
Retailer 5$5,596 NZD
Retailer 4$5,794 NZD
Retailer 6$8,294 NZD

28 data points across 9 retailers

19 retailers$3,579 NZD to $9,925 NZD

A
Cheapest Retailer
-
$3,579 NZD
A
Retailer 2
-
$3,590 NZD
View
A
Retailer 3
-
$4,250 NZD
View
A
Retailer 4
-
$4,517 NZD
View
A
Retailer 5
-
$4,539 NZD
View
B+
Retailer 6
-
$4,690 NZD
View
B+
Retailer 7
-
$4,746 NZD
View
Retailer 8
-
$4,746 NZD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$4,930 NZD
View
Retailer 10
-
$4,988 NZD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$4,993 NZD
View
B+
Retailer 12
-
$5,000 NZD
View
Retailer 13
-
$5,318 NZD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$5,477 NZD
View
B+
Retailer 15
-
$5,596 NZD
View
B+
Retailer 16
-
$5,794 NZD
View
B+
Retailer 17
-
$6,938 NZD
View
B
Retailer 18
-
$8,294 NZD
View
Most Expensive
B
NZ Jewellers
e0daf7e4-16cd-4523-a1cd-46ed338097d3 · Nov 5
$9,925 NZD
$5,502 USD
View
18 more retailers have this diamond
Prices start from $3,579 NZDSave up to $6,346 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
$3,579 NZD