CaratHunter
Plans
Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6381212727

Certificate GIA 6381212727

Diamond specifications and retailer prices

From $6,486 NZD
As of November 6, 2026
Save $10,123 NZD (61%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $16,609 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6381212727. Listed at 25 retailers as of November 5, 2026, with prices from $6,486 to $16,609, a $10,123 spread on the same certified stone. Diamond Quarter lists it at $16,609. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6381212727
Dimensions6.40 × 6.37 × 3.96 mm
L/W Ratio1.00
Top View
6.40 mm6.37 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6381212727
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,281 NZD|Low: $6,632 NZD|High: $13,947 NZD|Avg: $9,029 NZD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$6,653 NZD
Retailer 5$6,899 NZD
Retailer 8$7,235 NZD
Retailer 1$8,281 NZD
Retailer 4$8,466 NZD
Retailer 9$8,722 NZD
Retailer 3$9,167 NZD
Retailer 2$10,558 NZD
Retailer 6$13,744 NZD

36 data points across 9 retailers

25 retailers$6,486 NZD to $16,609 NZD

B+
Cheapest Retailer
-
$6,486 NZD
B+
Retailer 2
-
$6,648 NZD
View
B+
Retailer 3
-
$6,653 NZD
View
B+
Retailer 4
-
$6,899 NZD
View
B
Retailer 5
-
$7,235 NZD
View
Final sale: no returns
B+
Retailer 6
-
$7,427 NZD
View
B+
Retailer 7
-
$7,793 NZD
View
Retailer 8
-
$7,840 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$7,840 NZD
View
B+
Retailer 10
-
$7,840 NZD
View
B+
Retailer 11
-
$8,281 NZD
View
B+
Retailer 12
-
$8,297 NZD
View
B+
Retailer 13
-
$8,466 NZD
View
Retailer 14
-
$8,722 NZD
View
Price last confirmed 28 days ago
B
Retailer 15
-
$8,823 NZD
View
B
Retailer 16
-
$8,823 NZD
View
B
Retailer 17
-
$9,046 NZD
View
B
Retailer 18
-
$9,108 NZD
View
B
Retailer 19
-
$9,167 NZD
View
Retailer 20
-
$9,554 NZD
View
Price last confirmed 14 days ago
B
Retailer 21
-
$10,558 NZD
View
B
Retailer 22
-
$12,522 NZD
View
B
Retailer 23
-
$13,744 NZD
View
B
Retailer 24
-
$15,076 NZD
View
Most Expensive
B
Diamond Quarter
1.01SI1D63278FF2N · Nov 5
$16,609 NZD
£7,352 GBP
View
24 more retailers have this diamond
Prices start from $6,486 NZDSave up to $10,123 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.

B+
1.01ct Round
$6,486 NZD