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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 $5,727 AUD
As of November 6, 2026
Save $6,870 AUD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,597 AUD 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 $5,727 to $12,597, a $6,870 spread on the same certified stone. MOH London lists it at $12,597. 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: $12,597 AUD|Low: $5,727 AUD|High: $12,748 AUD|Avg: $8,206 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3$5,727 AUD
Retailer 9$5,870 AUD
Retailer 10$6,324 AUD
Retailer 6$7,287 AUD
Retailer 7$7,543 AUD
Retailer 2$7,641 AUD
Retailer 8$7,973 AUD
Retailer 4$8,946 AUD
Retailer 5$11,451 AUD
MOH London$12,597 AUD

46 data points across 10 retailers

14 retailers$5,727 AUD to $12,597 AUD

B+
Cheapest Retailer
-
$5,727 AUD
B+
Retailer 2
-
$5,870 AUD
View
B+
Retailer 3
-
$6,324 AUD
View
B
Retailer 4
-
$7,287 AUD
View
B
Retailer 5
-
$7,543 AUD
View
B
Retailer 6
-
$7,641 AUD
View
Retailer 7
-
$7,973 AUD
View
Price last confirmed 29 days ago
B
Retailer 8
-
$8,034 AUD
View
B
Retailer 9
-
$8,034 AUD
View
B
Retailer 10
-
$8,120 AUD
View
B
Retailer 11
-
$8,296 AUD
View
B
Retailer 12
-
$8,946 AUD
View
B
Retailer 13
-
$11,451 AUD
View
Most Expensive
B
MOH London
827C398C0 · Nov 2
$12,597 AUD
£6,815 GBP
View
13 more retailers have this diamond
Prices start from $5,727 AUDSave up to $6,870 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+
1.21ct Oval
$5,727 AUD