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Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6565521271

Certificate GIA 6565521271

Diamond specifications and retailer prices

From $2,643 SGD
As of November 6, 2026
Save $3,450 SGD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,092 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct natural round diamond

This 1.05ct 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 6565521271. Listed at 12 retailers as of November 4, 2026, with prices from $2,643 to $6,092, a $3,450 spread on the same certified stone. MOH London lists it at $6,092. 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

1.05
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565521271
Dimensions6.50 × 6.48 × 4.01 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural
Top View
6.50 mm6.48 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565521271
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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 6
Current: $6,092 SGD|Low: $2,643 SGD|High: $6,255 SGD|Avg: $3,724 SGD|-2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4$2,643 SGD
Retailer 3$3,122 SGD
Retailer 5$3,151 SGD
Retailer 2$3,218 SGD
Retailer 9$3,486 SGD
Retailer 10$3,621 SGD
Retailer 11$3,667 SGD
Retailer 6$3,668 SGD
Retailer 8$4,077 SGD
Retailer 7$4,137 SGD
MOH London$6,092 SGD

23 data points across 11 retailers

12 retailers$2,643 SGD to $6,092 SGD

A
Cheapest Retailer
-
$2,643 SGD
A
Retailer 2
-
$3,122 SGD
View
A
Retailer 3
-
$3,151 SGD
View
A
Retailer 4
-
$3,218 SGD
View
Final sale: no returns
Retailer 5
-
$3,272 SGD
View
Price last confirmed 26 days ago
Retailer 6
-
$3,486 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,621 SGD
View
B+
Retailer 8
-
$3,667 SGD
View
A
Retailer 9
-
$3,668 SGD
View
B+
Retailer 10
-
$4,077 SGD
View
B+
Retailer 11
-
$4,137 SGD
View
Most Expensive
B
MOH London
5231E2A76 · Nov 4
$6,092 SGD
£3,743 GBP
View
11 more retailers have this diamond
Prices start from $2,643 SGDSave up to $3,450 SGD

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
1.05ct Round
$2,643 SGD