CaratHunter
Plans
Radiant|Natural|GIA

1.00ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 7551690924

Certificate GIA 7551690924

Diamond specifications and retailer prices

From $4,149 NZD
As of November 6, 2026
Save $4,813 NZD (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,962 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551690924. Listed at 10 retailers as of November 3, 2026, with prices from $4,149 to $8,962, a $4,813 spread on the same certified stone. NZ Jewellers lists it at $8,962. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle52.4°
Pavilion angle37.24°
OriginNatural
Grading LabGIA
CertificateGIA 7551690924
Dimensions6.42 × 5.03 × 3.51 mm
L/W Ratio1.28
Girdle conditionThick
Key to symbols
Crystal, Feather, Indented Natural, Natural
Top View
6.42 mm5.03 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551690924
Side View
Table 72.0%Crown 52.4°GirdlePavilion 37.24°Culet: NoneDepth 69.8%

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 6
Current: $8,962 NZD|Low: $4,149 NZD|High: $9,142 NZD|Avg: $5,388 NZD|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8$4,149 NZD
Retailer 3$4,180 NZD
Retailer 9$4,286 NZD
Retailer 5$4,438 NZD
Retailer 7$4,438 NZD
Retailer 6$4,484 NZD
Retailer 2$4,809 NZD
Retailer 10$5,334 NZD
Retailer 4$7,510 NZD
NZ Jewellers$8,962 NZD

41 data points across 10 retailers

10 retailers$4,149 NZD to $8,962 NZD

A
Cheapest Retailer
-
$4,149 NZD
A
Retailer 2
-
$4,180 NZD
View
A
Retailer 3
-
$4,286 NZD
View
A
Retailer 4
-
$4,438 NZD
View
A
Retailer 5
-
$4,438 NZD
View
A
Retailer 6
-
$4,484 NZD
View
A
Retailer 7
-
$4,809 NZD
View
Retailer 8
-
$5,334 NZD
View
Price last confirmed 31 days ago
B
Retailer 9
-
$7,510 NZD
View
Most Expensive
B
NZ Jewellers
f3472181-81b5-4e8a-88e8-6803750a45cb · Nov 3
$8,962 NZD
$4,968 USD
View
9 more retailers have this diamond
Prices start from $4,149 NZDSave up to $4,813 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 Radiant
$4,149 NZD