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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1493733298

Certificate GIA 1493733298

Diamond specifications and retailer prices

From $3,529 NZD
As of November 6, 2026
Save $5,733 NZD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,590 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1493733298. Listed at 18 retailers as of November 5, 2026, with a 162% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1493733298
Dimensions6.41 × 6.32 × 3.98 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle, Indented Natural, Natural
Top View
6.41 mm6.32 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1493733298
Side View
Table 58.0%Crown 35°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 62.9%

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: $3,670 NZD|Low: $3,529 NZD|High: $8,585 NZD|Avg: $5,233 NZD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$3,529 NZD
Retailer 1$3,670 NZD
Retailer 4$4,106 NZD
Retailer 9$4,234 NZD
Retailer 6$4,260 NZD
Retailer 2$4,826 NZD
Retailer 3$5,684 NZD
Retailer 5$8,014 NZD
Retailer 8$8,549 NZD

35 data points across 9 retailers

18 retailers$3,529 NZD to $9,263 NZD

A
Cheapest Retailer
-
$3,529 NZD
A
Retailer 2
-
$3,670 NZD
View
A
Retailer 3
-
$4,106 NZD
View
A
Retailer 4
-
$4,234 NZD
View
Final sale: no returns
A
Retailer 5
-
$4,260 NZD
View
A
Retailer 6
-
$4,360 NZD
View
Retailer 7
-
$4,588 NZD
View
Price last confirmed 29 days ago
Retailer 8
-
$4,588 NZD
View
Price last confirmed 29 days ago
Retailer 9
-
$4,799 NZD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$4,826 NZD
View
A
Retailer 11
-
$4,837 NZD
View
A
Retailer 12
-
$4,896 NZD
View
Retailer 13
-
$5,294 NZD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$5,684 NZD
View
B+
Retailer 15
-
$8,014 NZD
View
Retailer 16
-
$8,549 NZD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$9,263 NZD
View
Most Expensive
NZ Jewellers
3a32d4ef-c24c-44f2-b59e-c247df22ecf6 · Sep 28
$9,590 NZD
$5,391 USD
View
Price last confirmed 39 days ago
17 more retailers have this diamond
Prices start from $3,529 NZDSave up to $5,733 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
$3,529 NZD