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Radiant|Natural|GIA

1.01ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 7551390959

Certificate GIA 7551390959

Diamond specifications and retailer prices

From $2,461 AUD
$1,729 USD
As of October 31, 2026
Save $4,047 AUD (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,509 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551390959. Listed at 11 retailers as of October 30, 2026, with prices from $2,461 to $6,509, a $4,047 spread on the same certified stone. NZ Jewellers lists it at $6,509. 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

1.01
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7551390959
Dimensions6.40 × 4.88 × 3.44 mm
L/W Ratio1.31
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Natural
Top View
6.40 mm4.88 mm1.01 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7551390959
Side View
Table 64.0%CrownGirdlePavilionCulet: NoneDepth 70.5%

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: Oct 31
Current: $6,509 AUD|Low: $2,258 AUD|High: $6,509 AUD|Avg: $3,400 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$2,461 AUD
Retailer 2$2,638 AUD
Retailer 7$2,668 AUD
Retailer 10$2,668 AUD
Retailer 11$2,792 AUD
Retailer 5$2,902 AUD
Retailer 8$2,943 AUD
Retailer 9$3,079 AUD
Retailer 6$3,644 AUD
Retailer 4$4,675 AUD
NZ Jewellers$6,509 AUD

37 data points across 11 retailers

11 retailers$2,461 AUD to $6,509 AUD

A
Cheapest Retailer
-
$2,461 AUD
$1,729 USD
Final sale: no returns
A
Retailer 2
-
$2,638 AUD
£1,459 GBP
View
A
Retailer 3
-
$2,668 AUD
$1,874 USD
View
A
Retailer 4
-
$2,668 AUD
$1,874 USD
View
A
Retailer 5
-
$2,792 AUD
$1,961 USD
View
A
Retailer 6
-
$2,902 AUD
£1,605 GBP
View
A
Retailer 7
-
$2,943 AUD
£1,628 GBP
View
A
Retailer 8
-
$3,079 AUD
$2,163 USD
View
A
Retailer 9
-
$3,644 AUD
€2,438 EUR
View
B+
Retailer 10
-
$4,675 AUD
£2,586 GBP
View
Most Expensive
B
NZ Jewellers
36a6cde6-8e4e-41d4-b9d4-50d00e084c9e · Oct 30
$6,509 AUD
$4,572 USD
View
10 more retailers have this diamond
Prices start from $2,461 AUDSave up to $4,047 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
1.01ct Radiant
$2,461 AUD