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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 $3,618 AUD
As of November 5, 2026
Save $4,730 AUD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,348 AUD 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 $3,618 to $8,348, a $4,730 spread on the same certified stone. NZ Jewellers lists it at $8,348. 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: $8,348 AUD|Low: $2,757 AUD|High: $8,348 AUD|Avg: $4,324 AUD|+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$3,202 AUD
Retailer 8$3,269 AUD
Retailer 6$3,308 AUD
Retailer 17$3,618 AUD
Retailer 19$3,618 AUD
Retailer 11$3,719 AUD
Retailer 18$3,785 AUD
Retailer 10$3,799 AUD
Retailer 12$3,861 AUD
Retailer 2$3,874 AUD
Retailer 20$3,937 AUD
Retailer 3$4,148 AUD
Retailer 4$4,148 AUD
Retailer 16$4,174 AUD
Retailer 5$4,293 AUD
Retailer 9$4,563 AUD
Retailer 13$4,649 AUD
Retailer 14$4,874 AUD
Retailer 15$6,977 AUD
NZ Jewellers$8,348 AUD

33 data points across 20 retailers

15 retailers$3,618 AUD to $8,348 AUD

Retailer 1
-
$3,202 AUD
Price last confirmed 10 days ago
B+
Retailer 2
-
$3,618 AUD
View
B+
Retailer 3
-
$3,785 AUD
View
B+
Retailer 4
-
$3,799 AUD
View
B+
Retailer 5
-
$3,874 AUD
View
B
Retailer 6
-
$3,937 AUD
View
B+
Retailer 7
-
$4,148 AUD
View
B+
Retailer 8
-
$4,148 AUD
View
B+
Retailer 9
-
$4,174 AUD
View
B+
Retailer 10
-
$4,293 AUD
View
B
Retailer 11
-
$4,563 AUD
View
B+
Retailer 12
-
$4,649 AUD
View
B
Retailer 13
-
$4,874 AUD
View
B
Retailer 14
-
$6,977 AUD
View
Most Expensive
B
NZ Jewellers
e9445e1d-72ce-47f2-a50c-5724d35f6777 · Nov 5
$8,348 AUD
$5,736 USD
View
14 more retailers have this diamond
Prices start from $3,618 AUDSave up to $4,730 AUD

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
$3,618 AUD