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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 2454952844

Certificate GIA 2454952844

Diamond specifications and retailer prices

From $2,260 AUD
As of October 31, 2026
Save $4,264 AUD (65%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,524 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 2454952844. Listed at 18 retailers as of October 31, 2026, with prices from $2,260 to $6,524, a $4,264 spread on the same certified stone. NZ Jewellers lists it at $6,524. 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
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2454952844
Dimensions6.27 × 6.19 × 4.02 mm
L/W Ratio1.01
Top View
6.27 mm6.19 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2454952844
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.5%

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: $3,163 AUD|Low: $2,160 AUD|High: $5,533 AUD|Avg: $3,231 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$2,260 AUD
Retailer 9$2,267 AUD
Retailer 7$2,826 AUD
Retailer 11$2,880 AUD
Retailer 10$2,893 AUD
Retailer 1$3,163 AUD
Retailer 2$3,264 AUD
Retailer 4$3,370 AUD
Retailer 3$3,400 AUD
Retailer 6$3,828 AUD
Retailer 5$5,451 AUD

44 data points across 11 retailers

18 retailers$2,260 AUD to $6,524 AUD

A
Cheapest Retailer
-
$2,260 AUD
A
Retailer 2
-
$2,267 AUD
View
B+
Retailer 3
-
$2,760 AUD
View
A
Retailer 4
-
$2,826 AUD
View
B+
Retailer 5
-
$2,880 AUD
View
Final sale: no returns
B+
Retailer 6
-
$2,893 AUD
View
B+
Retailer 7
-
$3,034 AUD
View
B+
Retailer 8
-
$3,120 AUD
View
B+
Retailer 9
-
$3,163 AUD
View
B+
Retailer 10
-
$3,264 AUD
View
B+
Retailer 11
-
$3,318 AUD
View
B+
Retailer 12
-
$3,370 AUD
View
B+
Retailer 13
-
$3,400 AUD
View
B+
Retailer 14
-
$3,600 AUD
View
B+
Retailer 15
-
$3,828 AUD
View
B
Retailer 16
-
$4,975 AUD
View
B
Retailer 17
-
$5,451 AUD
View
Most Expensive
C
NZ Jewellers
eddb234b-b907-40a4-b894-285018945c26 · Nov 5
$6,524 AUD
$4,567 USD
View
17 more retailers have this diamond
Prices start from $2,260 AUDSave up to $4,264 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
$2,260 AUD