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Oval|Natural|GIA

1.21ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 6542323812

Certificate GIA 6542323812

Diamond specifications and retailer prices

From $5,043 SGD
As of November 6, 2026
Save $6,049 SGD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,092 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542323812. Listed at 14 retailers as of November 2, 2026, with prices from $5,043 to $11,092, a $6,049 spread on the same certified stone. MOH London lists it at $11,092. 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

1.21
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542323812
Dimensions8.47 × 5.96 × 3.71 mm
L/W Ratio1.42
Top View
8.47 mm5.96 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542323812
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.3%

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: Nov 6
Current: $11,092 SGD|Low: $5,043 SGD|High: $11,226 SGD|Avg: $7,228 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3$5,043 SGD
Retailer 9$5,169 SGD
Retailer 10$5,569 SGD
Retailer 6$6,417 SGD
Retailer 7$6,643 SGD
Retailer 2$6,728 SGD
Retailer 8$7,021 SGD
Retailer 4$7,878 SGD
Retailer 5$10,084 SGD
MOH London$11,092 SGD

45 data points across 10 retailers

14 retailers$5,043 SGD to $11,092 SGD

B+
Cheapest Retailer
-
$5,043 SGD
B+
Retailer 2
-
$5,169 SGD
View
B+
Retailer 3
-
$5,569 SGD
View
B
Retailer 4
-
$6,417 SGD
View
B
Retailer 5
-
$6,643 SGD
View
B
Retailer 6
-
$6,728 SGD
View
Retailer 7
-
$7,021 SGD
View
Price last confirmed 29 days ago
B
Retailer 8
-
$7,074 SGD
View
B
Retailer 9
-
$7,074 SGD
View
B
Retailer 10
-
$7,150 SGD
View
B
Retailer 11
-
$7,305 SGD
View
B
Retailer 12
-
$7,878 SGD
View
B
Retailer 13
-
$10,084 SGD
View
Most Expensive
B
MOH London
827C398C0 · Nov 2
$11,092 SGD
£6,815 GBP
View
13 more retailers have this diamond
Prices start from $5,043 SGDSave up to $6,049 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.

B+
1.21ct Oval
$5,043 SGD