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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2544928323

Certificate GIA 2544928323

Diamond specifications and retailer prices

From $4,234 NZD
As of November 5, 2026
Save $5,523 NZD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $9,757 NZD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2544928323. Listed at 23 retailers as of November 5, 2026, with prices from $4,234 to $9,757, a $5,523 spread on the same certified stone. NZ Jewellers lists it at $9,757. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2544928323
Dimensions6.29 × 6.34 × 3.98 mm
L/W Ratio1.01
Top View
6.29 mm6.34 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544928323
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°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 5
Current: $9,757 NZD|Low: $4,234 NZD|High: $10,216 NZD|Avg: $6,004 NZD|-4.5%
NZ Jewellers
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
Retailer 21
Retailer 22
November 6, 2026
Retailer 22$4,234 NZD
Retailer 12$4,506 NZD
Retailer 8$4,543 NZD
Retailer 16$4,652 NZD
Retailer 19$4,684 NZD
Retailer 18$4,693 NZD
Retailer 15$4,725 NZD
Retailer 6$5,073 NZD
Retailer 5$5,244 NZD
Retailer 10$5,269 NZD
Retailer 2$5,358 NZD
Retailer 3$5,532 NZD
Retailer 9$5,532 NZD
Retailer 13$5,710 NZD
Retailer 20$5,854 NZD
Retailer 7$5,892 NZD
Retailer 17$6,134 NZD
Retailer 4$6,639 NZD
Retailer 14$6,646 NZD
Retailer 21$6,835 NZD
Retailer 11$9,581 NZD
NZ Jewellers$9,757 NZD

21 data points across 22 retailers

23 retailers$4,234 NZD to $9,757 NZD

A
Cheapest Retailer
-
$4,234 NZD
A
Retailer 2
-
$4,506 NZD
View
A
Retailer 3
-
$4,543 NZD
View
A
Retailer 4
-
$4,652 NZD
View
A
Retailer 5
-
$4,684 NZD
View
Final sale: no returns
A
Retailer 6
-
$4,693 NZD
View
A
Retailer 7
-
$4,725 NZD
View
A
Retailer 8
-
$5,073 NZD
View
A
Retailer 9
-
$5,244 NZD
View
A
Retailer 10
-
$5,269 NZD
View
A
Retailer 11
-
$5,358 NZD
View
A
Retailer 12
-
$5,532 NZD
View
A
Retailer 13
-
$5,532 NZD
View
B+
Retailer 14
-
$5,710 NZD
View
B+
Retailer 15
-
$5,854 NZD
View
B+
Retailer 16
-
$5,892 NZD
View
B+
Retailer 17
-
$6,134 NZD
View
Retailer 18
-
$6,400 NZD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
$6,639 NZD
View
Retailer 20
-
$6,646 NZD
View
Price last confirmed 14 days ago
B+
Retailer 21
-
$6,835 NZD
View
B
Retailer 22
-
$9,581 NZD
View
Most Expensive
B
NZ Jewellers
c04f7c52-73fe-46cf-977c-12a3468ca840 · Nov 5
$9,757 NZD
$5,485 USD
View
22 more retailers have this diamond
Prices start from $4,234 NZDSave up to $5,523 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
$4,234 NZD