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Radiant|Natural|GIA

1.00ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 7551690924

Certificate GIA 7551690924

Diamond specifications and retailer prices

From $3,347 AUD
As of November 6, 2026
Save $3,883 AUD (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,230 AUD 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 $3,347 to $7,230, a $3,883 spread on the same certified stone. NZ Jewellers lists it at $7,230. 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: $7,230 AUD|Low: $3,347 AUD|High: $7,376 AUD|Avg: $4,347 AUD|-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$3,347 AUD
Retailer 3$3,372 AUD
Retailer 9$3,458 AUD
Retailer 5$3,580 AUD
Retailer 7$3,580 AUD
Retailer 6$3,618 AUD
Retailer 2$3,880 AUD
Retailer 10$4,304 AUD
Retailer 4$6,059 AUD
NZ Jewellers$7,230 AUD

41 data points across 10 retailers

10 retailers$3,347 AUD to $7,230 AUD

A
Cheapest Retailer
-
$3,347 AUD
A
Retailer 2
-
$3,372 AUD
View
A
Retailer 3
-
$3,458 AUD
View
A
Retailer 4
-
$3,580 AUD
View
A
Retailer 5
-
$3,580 AUD
View
A
Retailer 6
-
$3,618 AUD
View
A
Retailer 7
-
$3,880 AUD
View
Retailer 8
-
$4,304 AUD
View
Price last confirmed 31 days ago
B
Retailer 9
-
$6,059 AUD
View
Most Expensive
B
NZ Jewellers
f3472181-81b5-4e8a-88e8-6803750a45cb · Nov 3
$7,230 AUD
$4,968 USD
View
9 more retailers have this diamond
Prices start from $3,347 AUDSave up to $3,883 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.

A
1.00ct Radiant
$3,347 AUD