Round|Natural|GIA

2.05ct F SI1 Round Natural Diamond

VG • F/SI1 • GIA 2427131321

Certificate GIA 2427131321

Diamond specifications and retailer prices

From $16,738 USD
As of October 31, 2026
Save $11,436 USD (41%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $28,174 USD 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 October 31, 2026, with prices from $16,738 to $28,174, a $11,436 spread on the same certified stone. MOH London lists it at $28,174. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $28,174 USD|Low: $15,033 USD|High: $28,514 USD|Avg: $20,734 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$16,738 USD
Retailer 5$17,288 USD
Retailer 3$18,665 USD
Retailer 7$19,543 USD
Retailer 2$21,792 USD
Retailer 6$21,879 USD
MOH London$28,174 USD

42 data points across 7 retailers

10 retailers$16,738 USD to $28,174 USD

B+
Cheapest Retailer
-
$16,738 USD
B+
Retailer 2
-
$17,288 USD
View
Final sale: no returns
B+
Retailer 3
-
$18,665 USD
£14,697 GBP
View
B+
Retailer 4
-
$18,942 USD
View
B
Retailer 5
-
$19,543 USD
View
B
Retailer 6
-
$20,295 USD
View
B
Retailer 7
-
$21,792 USD
€20,754 EUR
View
B
Retailer 8
-
$21,879 USD
View
B
Retailer 9
-
$25,557 USD
View
Most Expensive
B
MOH London
1CF7B5A4E · Nov 1
$28,174 USD
£22,184 GBP
View
9 more retailers have this diamond
Prices start from $16,738 USDSave up to $11,436 USD

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
$16,738 USD