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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1493733298

Certificate GIA 1493733298

Diamond specifications and retailer prices

From $2,834 AUD
As of November 6, 2026
Save $4,604 AUD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,701 AUD at NZ Jewellers · As of September 28, 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 1493733298. Listed at 18 retailers as of November 5, 2026, with a 162% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1493733298
Dimensions6.41 × 6.32 × 3.98 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle, Indented Natural, Natural
Top View
6.41 mm6.32 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1493733298
Side View
Table 58.0%Crown 35°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 62.9%

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: $2,947 AUD|Low: $2,834 AUD|High: $6,894 AUD|Avg: $4,202 AUD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$2,834 AUD
Retailer 1$2,947 AUD
Retailer 4$3,297 AUD
Retailer 9$3,400 AUD
Retailer 6$3,421 AUD
Retailer 2$3,876 AUD
Retailer 3$4,564 AUD
Retailer 5$6,435 AUD
Retailer 8$6,865 AUD

35 data points across 9 retailers

18 retailers$2,834 AUD to $7,438 AUD

A
Cheapest Retailer
-
$2,834 AUD
A
Retailer 2
-
$2,947 AUD
View
A
Retailer 3
-
$3,297 AUD
View
A
Retailer 4
-
$3,400 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,421 AUD
View
A
Retailer 6
-
$3,501 AUD
View
Retailer 7
-
$3,684 AUD
View
Price last confirmed 29 days ago
Retailer 8
-
$3,684 AUD
View
Price last confirmed 29 days ago
Retailer 9
-
$3,854 AUD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$3,876 AUD
View
A
Retailer 11
-
$3,884 AUD
View
A
Retailer 12
-
$3,931 AUD
View
Retailer 13
-
$4,251 AUD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$4,564 AUD
View
B+
Retailer 15
-
$6,435 AUD
View
Retailer 16
-
$6,865 AUD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$7,438 AUD
View
Most Expensive
NZ Jewellers
3a32d4ef-c24c-44f2-b59e-c247df22ecf6 · Sep 28
$7,701 AUD
$5,391 USD
View
Price last confirmed 39 days ago
17 more retailers have this diamond
Prices start from $2,834 AUDSave up to $4,604 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
$2,834 AUD