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Round|Natural|GIA

1.20ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1549210952

Certificate GIA 1549210952

Diamond specifications and retailer prices

From $4,168 AUD
As of November 6, 2026
Save $4,980 AUD (54%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,531 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct 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 1549210952. Listed at 21 retailers as of November 2, 2026, with a 119% 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

1.20
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1549210952
Dimensions6.87 × 6.83 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.87 mm6.83 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549210952
Side View
Table 59.0%Crown 33°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 61.0%

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: $4,315 AUD|Low: $4,168 AUD|High: $9,442 AUD|Avg: $6,201 AUD|-2.6%
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$4,168 AUD
Retailer 1$4,315 AUD
Retailer 6$4,863 AUD
Retailer 10$4,933 AUD
Retailer 2$5,048 AUD
Retailer 3$5,257 AUD
Retailer 4$5,505 AUD
Retailer 5$6,353 AUD
Retailer 7$9,148 AUD
Retailer 9$9,442 AUD

36 data points across 10 retailers

21 retailers$4,168 AUD to $9,148 AUD

A
Cheapest Retailer
-
$4,168 AUD
A
Retailer 2
-
$4,315 AUD
View
A
Retailer 3
-
$4,863 AUD
View
A
Retailer 4
-
$4,933 AUD
View
A
Retailer 5
-
$5,048 AUD
View
Final sale: no returns
A
Retailer 6
-
$5,075 AUD
View
B+
Retailer 7
-
$5,257 AUD
View
Retailer 8
-
$5,471 AUD
View
Price last confirmed 56 days ago
Retailer 9
-
$5,471 AUD
View
Price last confirmed 28 days ago
Retailer 10
-
$5,471 AUD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
$5,485 AUD
View
B+
Retailer 12
-
$5,505 AUD
View
B+
Retailer 13
-
$5,678 AUD
View
Retailer 14
-
$5,681 AUD
View
Price last confirmed 38 days ago
Retailer 15
-
$6,313 AUD
View
Price last confirmed 60 days ago
Retailer 16
-
$6,313 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$6,353 AUD
View
B
Retailer 18
-
$9,148 AUD
View
Retailer 19
-
$9,442 AUD
View
Price last confirmed 9 days ago
Retailer 20
-
$9,531 AUD
View
Price last confirmed 57 days ago
Most Expensive
NZ Jewellers
89c09f41-06d2-4a14-9e9f-37a66a309934 · Sep 28
$9,531 AUD
$6,672 USD
View
Price last confirmed 39 days ago
20 more retailers have this diamond
Prices start from $4,168 AUDSave up to $4,980 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
1.20ct Round
$4,168 AUD