Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 6315036607

Certificate GIA 6315036607

Diamond specifications and retailer prices

From $4,544 NZD
As of November 6, 2026
Save $7,822 NZD (63%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $12,366 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 very-good cut grade and certified by GIA 6315036607. Listed at 29 retailers as of November 5, 2026, with prices from $4,544 to $12,366, a $7,822 spread on the same certified stone. Diamond Quarter lists it at $12,366. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6315036607
Dimensions6.39 × 6.35 × 3.97 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.39 mm6.35 mm1.00 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6315036607
Side View
Table 60.0%Crown 34°Girdle: STK-THKPavilion 41.8°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 6
Current: $6,543 NZD|Low: $4,544 NZD|High: $10,179 NZD|Avg: $5,976 NZD|+0.7%
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
November 6, 2026
Retailer 2$4,544 NZD
Retailer 14$4,609 NZD
Retailer 9$4,807 NZD
Retailer 3$4,979 NZD
Retailer 4$5,073 NZD
Retailer 6$5,130 NZD
Retailer 5$5,170 NZD
Retailer 11$5,174 NZD
Retailer 10$5,358 NZD
Retailer 16$5,783 NZD
Retailer 8$5,854 NZD
Retailer 17$6,036 NZD
Retailer 7$6,498 NZD
Retailer 1$6,543 NZD
Retailer 12$6,835 NZD
Retailer 13$9,339 NZD
Retailer 15$10,077 NZD

30 data points across 17 retailers

29 retailers$4,544 NZD to $12,366 NZD

A
Cheapest Retailer
-
$4,544 NZD
A
Retailer 2
-
$4,609 NZD
View
B+
Retailer 3
-
$4,807 NZD
View
B+
Retailer 4
-
$4,979 NZD
View
Retailer 5
-
$5,073 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$5,073 NZD
View
B+
Retailer 7
-
$5,130 NZD
View
B+
Retailer 8
-
$5,170 NZD
View
Final sale: no returns
B+
Retailer 9
-
$5,174 NZD
View
B+
Retailer 10
-
$5,206 NZD
View
B+
Retailer 11
-
$5,233 NZD
View
B+
Retailer 12
-
$5,269 NZD
View
B+
Retailer 13
-
$5,358 NZD
View
B+
Retailer 14
-
$5,484 NZD
View
B+
Retailer 15
-
$5,484 NZD
View
B+
Retailer 16
-
$5,664 NZD
View
Retailer 17
-
$5,783 NZD
View
Price last confirmed 11 days ago
Retailer 18
-
$5,843 NZD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
$5,854 NZD
View
Retailer 20
-
$5,982 NZD
View
Price last confirmed 30 days ago
Retailer 21
-
$6,036 NZD
View
Price last confirmed 12 days ago
Retailer 22
-
$6,498 NZD
View
Price last confirmed 14 days ago
B+
Retailer 23
-
$6,543 NZD
View
B+
Retailer 24
-
$6,835 NZD
View
B
Retailer 25
-
$9,339 NZD
View
B
Retailer 26
-
$9,757 NZD
View
Retailer 27
-
$10,077 NZD
View
Price last confirmed 10 days ago
Retailer 28
-
$10,179 NZD
View
Price last confirmed 31 days ago
Most Expensive
B
Diamond Quarter
1.0SI1G63072626N · Nov 5
$12,366 NZD
£5,398 GBP
View
28 more retailers have this diamond
Prices start from $4,544 NZDSave up to $7,822 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
$4,544 NZD