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Radiant|Natural|GIA

1.00ct I SI1 Radiant Natural Diamond

FR • I/SI1 • GIA 6442748650

Certificate GIA 6442748650

Diamond specifications and retailer prices

From $2,387 AUD
HK$13,100 HKD
As of November 1, 2026
Save $3,888 AUD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,275 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6442748650. Listed at 16 retailers as of October 30, 2026, with prices from $2,387 to $6,275, a $3,888 spread on the same certified stone. NZ Jewellers lists it at $6,275. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
I
Colour
SI1
Clarity
Fair
Cut (retailer stated)

Specifications

Cut (retailer stated)Fair
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6442748650
Dimensions6.62 × 4.66 × 3.47 mm
L/W Ratio1.42
Top View
6.62 mm4.66 mm1.00 ctI / SI1
OriginNatural
CutFair
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6442748650
Side View
Table 61.0%CrownGirdle: ETK-ETKPavilionCulet: NoneDepth 74.5%

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 1
Current: $6,275 AUD|Low: $2,369 AUD|High: $6,275 AUD|Avg: $3,446 AUD
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
November 2, 2026
Retailer 11$2,387 AUD
Retailer 5$2,712 AUD
Retailer 4$2,769 AUD
Retailer 2$2,928 AUD
Retailer 16$3,002 AUD
Retailer 17$3,002 AUD
Retailer 6$3,039 AUD
Retailer 15$3,140 AUD
Retailer 8$3,196 AUD
Retailer 9$3,199 AUD
Retailer 10$3,293 AUD
Retailer 7$3,388 AUD
Retailer 3$3,464 AUD
Retailer 12$3,690 AUD
Retailer 13$4,100 AUD
Retailer 14$5,287 AUD
NZ Jewellers$6,275 AUD

27 data points across 17 retailers

16 retailers$2,387 AUD to $6,275 AUD

B+
Cheapest Retailer
-
$2,387 AUD
HK$13,100 HKD
B+
Retailer 2
-
$2,712 AUD
$1,905 USD
View
B+
Retailer 3
-
$2,769 AUD
$1,945 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,928 AUD
£1,619 GBP
View
B+
Retailer 5
-
$3,002 AUD
$2,109 USD
View
B+
Retailer 6
-
$3,002 AUD
$2,109 USD
View
B
Retailer 7
-
$3,039 AUD
$2,135 USD
View
B
Retailer 8
-
$3,140 AUD
$2,206 USD
View
B
Retailer 9
-
$3,199 AUD
$2,247 USD
View
B
Retailer 10
-
$3,293 AUD
£1,822 GBP
View
B
Retailer 11
-
$3,388 AUD
$2,380 USD
View
B
Retailer 12
-
$3,464 AUD
$2,433 USD
View
B
Retailer 13
-
$3,690 AUD
ZAR 41,870 ZAR
View
B
Retailer 14
-
$4,100 AUD
€2,743 EUR
View
C
Retailer 15
-
$5,287 AUD
£2,924 GBP
View
Most Expensive
C
NZ Jewellers
15ca1c56-9c97-40c4-b5eb-041d266203a8 · Oct 30
$6,275 AUD
$4,408 USD
View
15 more retailers have this diamond
Prices start from $2,387 AUDSave up to $3,888 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
$2,387 AUD