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Radiant|Natural|GIA

1.00ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 5553916188

Certificate GIA 5553916188

Diamond specifications and retailer prices

From $4,484 NZD
As of November 5, 2026
Save $5,863 NZD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,347 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553916188. Listed at 15 retailers as of November 5, 2026, with prices from $4,484 to $10,347, a $5,863 spread on the same certified stone. NZ Jewellers lists it at $10,347. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553916188
Dimensions7.20 × 4.77 × 3.28 mm
L/W Ratio1.51
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle
Top View
7.20 mm4.77 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553916188
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

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 5
Current: $10,347 NZD|Low: $3,417 NZD|High: $10,347 NZD|Avg: $5,359 NZD|+1.0%
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
November 6, 2026
Retailer 7$3,969 NZD
Retailer 8$4,052 NZD
Retailer 6$4,100 NZD
Retailer 17$4,484 NZD
Retailer 19$4,484 NZD
Retailer 11$4,609 NZD
Retailer 18$4,692 NZD
Retailer 10$4,708 NZD
Retailer 12$4,786 NZD
Retailer 2$4,802 NZD
Retailer 20$4,880 NZD
Retailer 3$5,141 NZD
Retailer 4$5,141 NZD
Retailer 16$5,174 NZD
Retailer 5$5,322 NZD
Retailer 9$5,655 NZD
Retailer 13$5,762 NZD
Retailer 14$6,041 NZD
Retailer 15$8,648 NZD
NZ Jewellers$10,347 NZD

33 data points across 20 retailers

15 retailers$4,484 NZD to $10,347 NZD

Retailer 1
-
$3,969 NZD
Price last confirmed 10 days ago
B+
Retailer 2
-
$4,484 NZD
View
B+
Retailer 3
-
$4,692 NZD
View
B+
Retailer 4
-
$4,708 NZD
View
B+
Retailer 5
-
$4,802 NZD
View
B
Retailer 6
-
$4,880 NZD
View
B+
Retailer 7
-
$5,141 NZD
View
B+
Retailer 8
-
$5,141 NZD
View
B+
Retailer 9
-
$5,174 NZD
View
B+
Retailer 10
-
$5,322 NZD
View
B
Retailer 11
-
$5,655 NZD
View
B+
Retailer 12
-
$5,762 NZD
View
B
Retailer 13
-
$6,041 NZD
View
B
Retailer 14
-
$8,648 NZD
View
Most Expensive
B
NZ Jewellers
e9445e1d-72ce-47f2-a50c-5724d35f6777 · Nov 5
$10,347 NZD
$5,736 USD
View
14 more retailers have this diamond
Prices start from $4,484 NZDSave up to $5,863 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+
1.00ct Radiant
$4,484 NZD