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Round|Natural|GIA

1.01ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1423732075

Certificate GIA 1423732075

Diamond specifications and retailer prices

From $2,297 NZD
As of November 4, 2026
Save $4,218 NZD (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,514 NZD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.01ct natural round diamond

This 1.01ct 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 1423732075. Listed at 12 retailers as of November 4, 2026, with prices from $2,297 to $6,514, a $4,218 spread on the same certified stone. Helzberg Diamonds lists it at $6,514. 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

1.01
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1423732075
Dimensions6.45 × 6.42 × 3.97 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
6.45 mm6.42 mm1.01 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1423732075
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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 4
Current: $6,514 NZD|Low: $2,297 NZD|High: $6,642 NZD|Avg: $3,816 NZD|-1.9%
Helzberg Diamonds
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 4, 2026
Retailer 2$2,297 NZD
Retailer 16$2,304 NZD
Retailer 15$2,314 NZD
Retailer 14$2,736 NZD
Retailer 9$2,738 NZD
Retailer 5$2,903 NZD
Retailer 3$3,026 NZD
Retailer 11$3,286 NZD
Retailer 10$3,464 NZD
Retailer 4$3,631 NZD
Retailer 12$3,709 NZD
Retailer 8$4,221 NZD
Retailer 13$4,570 NZD
Retailer 6$4,675 NZD
Retailer 7$6,046 NZD
Helzberg Diamonds$6,514 NZD

31 data points across 16 retailers

12 retailers$2,297 NZD to $6,514 NZD

A
Cheapest Retailer
-
$2,297 NZD
A
Retailer 2
-
$2,304 NZD
View
Final sale: no returns
A
Retailer 3
-
$2,314 NZD
View
A
Retailer 4
-
$2,736 NZD
View
A
Retailer 5
-
$2,738 NZD
View
Retailer 6
-
$2,903 NZD
View
Price last confirmed 27 days ago
Retailer 7
-
$3,026 NZD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$3,286 NZD
View
A
Retailer 9
-
$3,464 NZD
View
A
Retailer 10
-
$3,709 NZD
View
A
Retailer 11
-
$4,570 NZD
View
Most Expensive
B+
Helzberg Diamonds
XZRLIKIGNHGLI · Nov 6
$6,514 NZD
$3,662 USD
View
11 more retailers have this diamond
Prices start from $2,297 NZDSave up to $4,218 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
1.01ct Round
$2,297 NZD