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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5202477736

Certificate GIA 5202477736

Diamond specifications and retailer prices

From $2,998 AUD
As of November 6, 2026
Save $5,271 AUD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,270 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5202477736. Listed at 21 retailers as of November 5, 2026, with prices from $2,998 to $8,270, a $5,271 spread on the same certified stone. NZ Jewellers lists it at $8,270. 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

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5202477736
Dimensions6.37 × 6.34 × 4.00 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.37 mm6.34 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5202477736
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

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: Nov 6
Current: $8,270 AUD|Low: $2,980 AUD|High: $8,270 AUD|Avg: $4,319 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
Retailer 18
Retailer 19
November 6, 2026
Retailer 17$2,998 AUD
Retailer 3$3,126 AUD
Retailer 6$3,144 AUD
Retailer 9$3,263 AUD
Retailer 15$3,271 AUD
Retailer 18$3,517 AUD
Retailer 10$3,584 AUD
Retailer 8$3,748 AUD
Retailer 2$3,784 AUD
Retailer 4$3,916 AUD
Retailer 7$4,114 AUD
Retailer 11$4,114 AUD
Retailer 19$4,134 AUD
Retailer 12$4,137 AUD
Retailer 5$4,243 AUD
Retailer 13$4,595 AUD
Retailer 16$5,697 AUD
Retailer 14$6,911 AUD
NZ Jewellers$8,270 AUD

30 data points across 19 retailers

21 retailers$2,998 AUD to $8,270 AUD

A
Cheapest Retailer
-
$2,998 AUD
A
Retailer 2
-
$3,126 AUD
View
A
Retailer 3
-
$3,144 AUD
View
A
Retailer 4
-
$3,164 AUD
View
A
Retailer 5
-
$3,263 AUD
View
Final sale: no returns
A
Retailer 6
-
$3,271 AUD
View
A
Retailer 7
-
$3,517 AUD
View
A
Retailer 8
-
$3,584 AUD
View
A
Retailer 9
-
$3,748 AUD
View
A
Retailer 10
-
$3,784 AUD
View
A
Retailer 11
-
$3,916 AUD
View
A
Retailer 12
-
$4,114 AUD
View
A
Retailer 13
-
$4,114 AUD
View
A
Retailer 14
-
$4,134 AUD
View
A
Retailer 15
-
$4,137 AUD
View
A
Retailer 16
-
$4,243 AUD
View
B+
Retailer 17
-
$4,595 AUD
View
Retailer 18
-
$4,780 AUD
View
Price last confirmed 38 days ago
B
Retailer 19
-
$5,697 AUD
View
B
Retailer 20
-
$6,911 AUD
View
Most Expensive
B
NZ Jewellers
329a9ec0-7336-4565-aaca-b918f00a0438 · Nov 5
$8,270 AUD
$5,789 USD
View
20 more retailers have this diamond
Prices start from $2,998 AUDSave up to $5,271 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
$2,998 AUD