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Marquise|Natural|GIA

1.22ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 6541811063

Certificate GIA 6541811063

Diamond specifications and retailer prices

From $7,751 AUD
As of November 7, 2026
Save $5,522 AUD (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $13,273 AUD at MOH London · As of November 7, 2026
View at MOH London

About this 1.22ct natural marquise diamond

This 1.22ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541811063. Listed at 8 retailers as of November 7, 2026, with prices from $7,751 to $13,273, a $5,522 spread on the same certified stone. MOH London lists it at $13,273. 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

1.22
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6541811063
Dimensions11.70 × 5.38 × 3.40 mm
L/W Ratio2.17
Top View
11.70 mm5.38 mm1.22 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6541811063
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $13,273 AUD|Low: $7,751 AUD|High: $13,506 AUD|Avg: $9,927 AUD|-1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 8$7,751 AUD
Retailer 3$8,053 AUD
Retailer 4$8,604 AUD
Retailer 7$9,002 AUD
Retailer 2$9,630 AUD
Retailer 6$9,856 AUD
Retailer 5$11,052 AUD
MOH London$13,273 AUD

39 data points across 8 retailers

8 retailers$7,751 AUD to $13,273 AUD

B
Cheapest Retailer
-
$7,751 AUD
B
Retailer 2
-
$8,053 AUD
View
B
Retailer 3
-
$8,604 AUD
View
Retailer 4
-
$9,002 AUD
View
Price last confirmed 34 days ago
B
Retailer 5
-
$9,630 AUD
View
B
Retailer 6
-
$9,856 AUD
View
B
Retailer 7
-
$11,052 AUD
View
Most Expensive
B
MOH London
66323A2FF · Nov 7
$13,273 AUD
£7,181 GBP
View
7 more retailers have this diamond
Prices start from $7,751 AUDSave up to $5,522 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
1.22ct Marquise
$7,751 AUD