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Round|Natural|GIA

2.05ct F SI1 Round Natural Diamond

VG • F/SI1 • GIA 2427131321

Certificate GIA 2427131321

Diamond specifications and retailer prices

From $23,899 AUD
$16,749 USD
As of November 2, 2026
Save $16,302 AUD (41%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $40,201 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 2.05ct natural round diamond

This 2.05ct natural round sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2427131321. Listed at 10 retailers as of November 1, 2026, with prices from $23,899 to $40,201, a $16,302 spread on the same certified stone. MOH London lists it at $40,201. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.05
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 2427131321
Dimensions8.03 × 7.99 × 5.12 mm
L/W Ratio1.01
Top View
8.03 mm7.99 mm2.05 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2427131321
Side View
Table 59.0%Crown 34°Girdle: ThickPavilion 42°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $40,201 AUD|Low: $21,451 AUD|High: $40,687 AUD|Avg: $29,595 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$23,899 AUD
Retailer 5$24,668 AUD
Retailer 3$26,633 AUD
Retailer 7$27,886 AUD
Retailer 4$31,095 AUD
Retailer 6$31,219 AUD
MOH London$40,201 AUD

41 data points across 7 retailers

10 retailers$23,899 AUD to $40,201 AUD

B+
Cheapest Retailer
-
$23,899 AUD
$16,749 USD
B+
Retailer 2
-
$24,668 AUD
$17,288 USD
View
Final sale: no returns
B+
Retailer 3
-
$26,633 AUD
£14,697 GBP
View
B+
Retailer 4
-
$27,028 AUD
$18,942 USD
View
B
Retailer 5
-
$27,886 AUD
$19,543 USD
View
B
Retailer 6
-
$28,959 AUD
$20,295 USD
View
B
Retailer 7
-
$31,095 AUD
€20,754 EUR
View
B
Retailer 8
-
$31,219 AUD
$21,879 USD
View
B
Retailer 9
-
$36,467 AUD
$25,557 USD
View
Most Expensive
B
MOH London
1CF7B5A4E · Nov 1
$40,201 AUD
£22,184 GBP
View
9 more retailers have this diamond
Prices start from $23,899 AUDSave up to $16,302 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.

B+
2.05ct Round
$23,899 AUD