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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6551742033

Certificate GIA 6551742033

Diamond specifications and retailer prices

From $4,389 NZD
As of November 4, 2026
Save $5,581 NZD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $9,970 NZD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551742033. Listed at 25 retailers as of November 4, 2026, with prices from $4,389 to $9,970, a $5,581 spread on the same certified stone. NZ Jewellers lists it at $9,970. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551742033
Dimensions6.38 × 6.41 × 3.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.38 mm6.41 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551742033
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

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 4
Current: $9,970 NZD|Low: $4,127 NZD|High: $9,970 NZD|Avg: $6,357 NZD
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
November 7, 2026
Retailer 10$4,540 NZD
Retailer 4$4,643 NZD
Retailer 9$5,033 NZD
Retailer 6$5,065 NZD
Retailer 5$5,184 NZD
Retailer 11$5,385 NZD
Retailer 13$5,603 NZD
Retailer 12$5,628 NZD
Retailer 2$5,884 NZD
Retailer 7$6,247 NZD
Retailer 3$8,255 NZD
Retailer 8$9,543 NZD
NZ Jewellers$9,970 NZD

38 data points across 13 retailers

25 retailers$4,389 NZD to $9,970 NZD

A
Cheapest Retailer
-
$4,389 NZD
A
Retailer 2
-
$4,479 NZD
View
A
Retailer 3
-
$4,510 NZD
View
A
Retailer 4
-
$4,540 NZD
View
Final sale: no returns
A
Retailer 5
-
$4,643 NZD
View
B+
Retailer 6
-
$5,033 NZD
View
Retailer 7
-
$5,065 NZD
View
Retailer 8
-
$5,184 NZD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$5,184 NZD
View
B+
Retailer 10
-
$5,294 NZD
View
B+
Retailer 11
-
$5,385 NZD
View
B+
Retailer 12
-
$5,603 NZD
View
B+
Retailer 13
-
$5,628 NZD
View
B+
Retailer 14
-
$5,628 NZD
View
B+
Retailer 15
-
$5,884 NZD
View
B+
Retailer 16
-
$5,899 NZD
View
B+
Retailer 17
-
$5,899 NZD
View
B+
Retailer 18
-
$5,982 NZD
View
B+
Retailer 19
-
$6,097 NZD
View
B+
Retailer 20
-
$6,247 NZD
View
Retailer 21
-
$6,640 NZD
View
Price last confirmed 15 days ago
B+
Retailer 22
-
$6,716 NZD
View
B
Retailer 23
-
$8,255 NZD
View
B
Retailer 24
-
$9,543 NZD
View
Most Expensive
B
NZ Jewellers
e25de996-62fb-4b0e-a36f-a7ab26d1ca9b · Nov 7
$9,970 NZD
$5,527 USD
View
24 more retailers have this diamond
Prices start from $4,389 NZDSave up to $5,581 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
$4,389 NZD