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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5546684593

Certificate GIA 5546684593

Diamond specifications and retailer prices

From $3,881 AUD
HK$21,300 HKD
As of November 1, 2026
Save $5,231 AUD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,112 AUD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5546684593. Listed at 20 retailers as of October 28, 2026, with prices from $3,881 to $9,112, a $5,231 spread on the same certified stone. Queensmith lists it at $9,112. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5546684593
Dimensions6.84 × 6.88 × 4.15 mm
L/W Ratio1.01
Top View
6.84 mm6.88 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5546684593
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,112 AUD|Low: $3,881 AUD|High: $9,139 AUD|Avg: $5,701 AUD|+2.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 9$3,881 AUD
Retailer 2$4,054 AUD
Retailer 12$4,494 AUD
Retailer 11$4,692 AUD
Retailer 10$4,890 AUD
Retailer 4$5,085 AUD
Retailer 7$5,282 AUD
Retailer 3$5,452 AUD
Retailer 6$5,927 AUD
Retailer 8$6,250 AUD
Retailer 5$8,505 AUD
Queensmith$9,112 AUD

31 data points across 12 retailers

20 retailers$3,881 AUD to $9,112 AUD

A
Cheapest Retailer
-
$3,881 AUD
HK$21,300 HKD
A
Retailer 2
-
$4,054 AUD
₹271,210 INR
View
A
Retailer 3
-
$4,494 AUD
SGD 4,266 SGD
View
B+
Retailer 4
-
$4,604 AUD
$3,234 USD
View
B+
Retailer 5
-
$4,610 AUD
$3,238 USD
View
B+
Retailer 6
-
$4,692 AUD
$3,296 USD
View
Final sale: no returns
B+
Retailer 7
-
$4,755 AUD
$3,340 USD
View
B+
Retailer 8
-
$4,890 AUD
$3,435 USD
View
Retailer 9
-
$5,085 AUD
$3,572 USD
View
Price last confirmed 33 days ago
Retailer 10
-
$5,085 AUD
$3,572 USD
View
Price last confirmed 24 days ago
B+
Retailer 11
-
$5,282 AUD
£2,922 GBP
View
B+
Retailer 12
-
$5,292 AUD
$3,717 USD
View
B+
Retailer 13
-
$5,390 AUD
SGD 5,116 SGD
View
Retailer 14
-
$5,452 AUD
View
Price last confirmed 28 days ago
Retailer 15
-
$5,867 AUD
$4,121 USD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$5,927 AUD
€3,965 EUR
View
B+
Retailer 17
-
$6,250 AUD
ZAR 70,929 ZAR
View
B
Retailer 18
-
$8,505 AUD
£4,704 GBP
View
Retailer 19
-
$8,859 AUD
$6,223 USD
View
Price last confirmed 34 days ago
Most Expensive
B
Queensmith
5546684593 · Oct 28
$9,112 AUD
£5,040 GBP
View
19 more retailers have this diamond
Prices start from $3,881 AUDSave up to $5,231 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
$3,881 AUD