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Round|Natural|GIA

1.01ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2507300122

Certificate GIA 2507300122

Diamond specifications and retailer prices

From $4,670 NZD
As of November 6, 2026
Save $7,519 NZD (62%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $12,189 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507300122. Listed at 24 retailers as of November 5, 2026, with prices from $4,670 to $12,189, a $7,519 spread on the same certified stone. Diamond Quarter lists it at $12,189. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2507300122
Dimensions6.41 × 6.39 × 4.03 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.41 mm6.39 mm1.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507300122
Side View
Table 56.0%Crown 36.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 63.0%

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: $4,670 NZD|Low: $4,640 NZD|High: $10,919 NZD|Avg: $6,750 NZD|-4.8%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 1$4,670 NZD
Retailer 19$4,687 NZD
Retailer 11$5,350 NZD
Retailer 5$5,563 NZD
Retailer 18$5,646 NZD
Retailer 3$5,679 NZD
Retailer 10$5,783 NZD
Retailer 6$6,034 NZD
Retailer 4$6,267 NZD
Retailer 9$6,267 NZD
Retailer 14$6,406 NZD
Retailer 12$6,505 NZD
Retailer 7$6,508 NZD
Retailer 8$6,527 NZD
Retailer 13$6,821 NZD
Retailer 16$6,840 NZD
Retailer 2$7,230 NZD
Retailer 15$7,649 NZD
Retailer 17$10,450 NZD
Retailer 20$10,919 NZD

30 data points across 20 retailers

24 retailers$4,670 NZD to $12,189 NZD

A
Cheapest Retailer
-
$4,670 NZD
A
Retailer 2
-
$4,687 NZD
View
B+
Retailer 3
-
$5,350 NZD
View
B+
Retailer 4
-
$5,563 NZD
View
B+
Retailer 5
-
$5,646 NZD
View
B+
Retailer 6
-
$5,679 NZD
View
B+
Retailer 7
-
$5,783 NZD
View
Final sale: no returns
B+
Retailer 8
-
$6,034 NZD
View
B+
Retailer 9
-
$6,267 NZD
View
Retailer 10
-
$6,267 NZD
View
Price last confirmed 8 days ago
Retailer 11
-
$6,368 NZD
View
Price last confirmed 43 days ago
B+
Retailer 12
-
$6,406 NZD
View
B+
Retailer 13
-
$6,505 NZD
View
B
Retailer 14
-
$6,508 NZD
View
B
Retailer 15
-
$6,527 NZD
View
Retailer 16
-
$6,821 NZD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$6,840 NZD
View
B
Retailer 18
-
$7,230 NZD
View
Retailer 19
-
$7,349 NZD
View
Price last confirmed 45 days ago
B+
Retailer 20
-
$7,649 NZD
View
B
Retailer 21
-
$10,450 NZD
View
B
Retailer 22
-
$10,919 NZD
View
Retailer 23
-
$11,096 NZD
View
Price last confirmed 42 days ago
Most Expensive
B
Diamond Quarter
1.01SI1G252251BDN · Nov 5
$12,189 NZD
£5,320 GBP
View
23 more retailers have this diamond
Prices start from $4,670 NZDSave up to $7,519 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
$4,670 NZD