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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

GD • D/SI1 • GIA 7428515436

Certificate GIA 7428515436

Diamond specifications and retailer prices

From $4,640 AUD
As of November 6, 2026
Save $6,068 AUD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,708 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 7428515436. Listed at 23 retailers as of November 5, 2026, with prices from $4,640 to $10,708, a $6,068 spread on the same certified stone. NZ Jewellers lists it at $10,708. 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

1.01
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7428515436
Dimensions6.19 × 6.12 × 3.99 mm
L/W Ratio1.01
Top View
6.19 mm6.12 mm1.01 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7428515436
Side View
Table 63.0%Crown 38.5°Girdle: THK-VTKPavilion 41°Culet: NoneDepth 64.8%

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 6
Current: $6,187 AUD|Low: $4,444 AUD|High: $9,907 AUD|Avg: $6,353 AUD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$4,725 AUD
Retailer 10$4,993 AUD
Retailer 12$5,140 AUD
Retailer 3$5,293 AUD
Retailer 11$5,783 AUD
Retailer 1$6,187 AUD
Retailer 4$6,425 AUD
Retailer 7$6,503 AUD
Retailer 2$6,555 AUD
Retailer 6$6,948 AUD
Retailer 5$7,502 AUD
Retailer 8$9,764 AUD

40 data points across 12 retailers

23 retailers$4,640 AUD to $10,708 AUD

B+
Cheapest Retailer
-
$4,640 AUD
B+
Retailer 2
-
$4,725 AUD
View
B+
Retailer 3
-
$4,900 AUD
View
B+
Retailer 4
-
$4,993 AUD
View
B+
Retailer 5
-
$5,001 AUD
View
B+
Retailer 6
-
$5,050 AUD
View
B
Retailer 7
-
$5,140 AUD
View
Final sale: no returns
B
Retailer 8
-
$5,277 AUD
View
B
Retailer 9
-
$5,293 AUD
View
B
Retailer 10
-
$5,321 AUD
View
B
Retailer 11
-
$5,568 AUD
View
Retailer 12
-
$5,568 AUD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$5,783 AUD
View
B
Retailer 14
-
$6,187 AUD
View
B
Retailer 15
-
$6,425 AUD
View
B
Retailer 16
-
$6,503 AUD
View
Retailer 17
-
$6,555 AUD
View
Price last confirmed 28 days ago
B
Retailer 18
-
$6,948 AUD
View
Retailer 19
-
$6,954 AUD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$7,502 AUD
View
C
Retailer 21
-
$8,887 AUD
View
B
Retailer 22
-
$9,764 AUD
View
Most Expensive
C
NZ Jewellers
5e7b7b9f-a9e6-4925-a396-61eccba89809 · Nov 5
$10,708 AUD
$7,496 USD
View
22 more retailers have this diamond
Prices start from $4,640 AUDSave up to $6,068 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+
1.01ct Round
$4,640 AUD