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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 5446385330

Certificate GIA 5446385330

Diamond specifications and retailer prices

From $2,421 AUD
As of October 31, 2026
Save $4,548 AUD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,970 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5446385330. Listed at 19 retailers as of October 31, 2026, with prices from $2,421 to $6,970, a $4,548 spread on the same certified stone. NZ Jewellers lists it at $6,970. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 5446385330
Dimensions6.28 × 6.24 × 3.99 mm
L/W Ratio1.01
Top View
6.28 mm6.24 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5446385330
Side View
Table 55.0%Crown 38°Girdle: MED-THKPavilion 40°Culet: NoneDepth 63.8%

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: Oct 31
Current: $3,386 AUD|Low: $2,316 AUD|High: $5,910 AUD|Avg: $3,469 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$2,421 AUD
Retailer 9$2,431 AUD
Retailer 3$2,740 AUD
Retailer 10$3,077 AUD
Retailer 7$3,130 AUD
Retailer 1$3,386 AUD
Retailer 2$3,487 AUD
Retailer 4$3,601 AUD
Retailer 6$4,106 AUD
Retailer 5$5,824 AUD

44 data points across 10 retailers

19 retailers$2,421 AUD to $6,970 AUD

A
Cheapest Retailer
-
$2,421 AUD
A
Retailer 2
-
$2,431 AUD
View
B+
Retailer 3
-
$2,740 AUD
View
B+
Retailer 4
-
$2,948 AUD
View
B+
Retailer 5
-
$3,077 AUD
View
Final sale: no returns
A
Retailer 6
-
$3,130 AUD
View
B+
Retailer 7
-
$3,220 AUD
View
Retailer 8
-
$3,330 AUD
View
Price last confirmed 109 days ago
Retailer 9
-
$3,334 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,334 AUD
View
B+
Retailer 11
-
$3,386 AUD
View
B+
Retailer 12
-
$3,487 AUD
View
B+
Retailer 13
-
$3,533 AUD
View
B+
Retailer 14
-
$3,601 AUD
View
B+
Retailer 15
-
$3,847 AUD
View
B+
Retailer 16
-
$4,106 AUD
View
B
Retailer 17
-
$4,975 AUD
View
B
Retailer 18
-
$5,824 AUD
View
Most Expensive
C
NZ Jewellers
f6636306-9ff9-4a72-ade3-2fcc32f6cb24 · Nov 5
$6,970 AUD
$4,879 USD
View
18 more retailers have this diamond
Prices start from $2,421 AUDSave up to $4,548 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 Round
$2,421 AUD