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Round|Natural|GIA

1.20ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 7536777640

Certificate GIA 7536777640

Diamond specifications and retailer prices

From $3,535 AUD
HK$19,400 HKD
As of November 1, 2026
Save $5,206 AUD (60%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,742 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7536777640. Listed at 22 retailers as of October 28, 2026, with prices from $3,535 to $8,742, a $5,206 spread on the same certified stone. Queensmith lists it at $8,742. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7536777640
Dimensions6.80 × 6.76 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Cavity, Knot, Needle, Natural
Top View
6.80 mm6.76 mm1.20 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7536777640
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.4°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 1
Current: $8,742 AUD|Low: $3,535 AUD|High: $8,742 AUD|Avg: $5,312 AUD|+2.8%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$3,535 AUD
Retailer 2$3,696 AUD
Retailer 3$4,099 AUD
Retailer 5$4,176 AUD
Retailer 9$4,198 AUD
Retailer 11$4,239 AUD
Retailer 7$4,731 AUD
Retailer 10$4,798 AUD
Retailer 4$5,354 AUD
Retailer 6$7,682 AUD
Queensmith$8,742 AUD

26 data points across 11 retailers

22 retailers$3,535 AUD to $8,742 AUD

A
Cheapest Retailer
-
$3,535 AUD
HK$19,400 HKD
A
Retailer 2
-
$3,696 AUD
₹247,280 INR
View
A
Retailer 3
-
$4,099 AUD
SGD 3,891 SGD
View
A
Retailer 4
-
$4,176 AUD
£2,310 GBP
View
A
Retailer 5
-
$4,198 AUD
$2,949 USD
View
A
Retailer 6
-
$4,239 AUD
$2,978 USD
View
Final sale: no returns
A
Retailer 7
-
$4,338 AUD
$3,047 USD
View
Retailer 8
-
$4,641 AUD
$3,260 USD
View
Price last confirmed 45 days ago
Retailer 9
-
$4,641 AUD
$3,260 USD
View
Price last confirmed 40 days ago
Retailer 10
-
$4,641 AUD
$3,260 USD
View
Price last confirmed 23 days ago
Retailer 11
-
$4,641 AUD
$3,260 USD
View
Price last confirmed 20 days ago
A
Retailer 12
-
$4,731 AUD
£2,617 GBP
View
B+
Retailer 13
-
$4,798 AUD
$3,370 USD
View
B+
Retailer 14
-
$4,915 AUD
SGD 4,666 SGD
View
B+
Retailer 15
-
$5,354 AUD
€3,582 EUR
View
Retailer 16
-
$5,356 AUD
$3,762 USD
View
Price last confirmed 45 days ago
Retailer 17
-
$5,356 AUD
$3,762 USD
View
Price last confirmed 40 days ago
B
Retailer 18
-
$7,682 AUD
£4,249 GBP
View
Retailer 19
-
$8,086 AUD
$5,680 USD
View
Price last confirmed 44 days ago
Retailer 20
-
$8,086 AUD
$5,680 USD
View
Price last confirmed 29 days ago
Retailer 21
-
$8,086 AUD
$5,680 USD
View
Price last confirmed 37 days ago
Most Expensive
B
Queensmith
7536777640 · Oct 28
$8,742 AUD
£4,835 GBP
View
21 more retailers have this diamond
Prices start from $3,535 AUDSave up to $5,206 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
$3,535 AUD