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Round|Natural|GIA

1.20ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6551882557

Certificate GIA 6551882557

Diamond specifications and retailer prices

From $2,892 AUD
SGD 2,745 SGD
As of October 31, 2026
Save $3,043 AUD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,935 AUD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 6551882557. Listed at 11 retailers as of October 26, 2026, with prices from $2,892 to $5,935, a $3,043 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,935. 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 angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551882557
Dimensions6.76 × 6.79 × 4.22 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.76 mm6.79 mm1.20 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551882557
Side View
Table 54.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: Oct 31
Current: $3,897 AUD|Low: $2,892 AUD|High: $6,349 AUD|Avg: $4,330 AUD|-4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 1, 2026
Retailer 7$2,892 AUD
Retailer 4$3,570 AUD
Retailer 6$3,632 AUD
Retailer 1$3,897 AUD
Retailer 2$3,955 AUD
Retailer 9$4,029 AUD
Retailer 8$4,261 AUD
Retailer 10$4,428 AUD
Retailer 5$4,610 AUD
Retailer 3$4,697 AUD
Wholesale Diamonds Direct$5,935 AUD

38 data points across 11 retailers

11 retailers$2,892 AUD to $5,935 AUD

A
Cheapest Retailer
-
$2,892 AUD
SGD 2,745 SGD
A
Retailer 2
-
$3,570 AUD
$2,508 USD
View
A
Retailer 3
-
$3,632 AUD
$2,551 USD
View
A
Retailer 4
-
$3,897 AUD
£2,155 GBP
View
A
Retailer 5
-
$3,955 AUD
SGD 3,754 SGD
View
A
Retailer 6
-
$4,029 AUD
$2,830 USD
View
A
Retailer 7
-
$4,261 AUD
$2,993 USD
View
A
Retailer 8
-
$4,428 AUD
$3,110 USD
View
A
Retailer 9
-
$4,610 AUD
£2,550 GBP
View
B+
Retailer 10
-
$4,697 AUD
€3,142 EUR
View
Most Expensive
B+
Wholesale Diamonds Direct
271989813 · Oct 26
$5,935 AUD
$4,169 USD
View
10 more retailers have this diamond
Prices start from $2,892 AUDSave up to $3,043 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
$2,892 AUD