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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 $6,826 SGD
As of November 6, 2026
Save $4,895 SGD (42%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $11,721 SGD at MOH London · As of November 4, 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 6 retailers as of November 4, 2026, with prices from $6,826 to $11,721, a $4,895 spread on the same certified stone. MOH London lists it at $11,721. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,721 SGD|Low: $6,826 SGD|High: $11,893 SGD|Avg: $8,750 SGD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 6$6,826 SGD
Retailer 2$7,577 SGD
Retailer 5$7,927 SGD
Retailer 4$8,679 SGD
Retailer 3$9,732 SGD
MOH London$11,721 SGD

39 data points across 6 retailers

6 retailers$6,826 SGD to $11,721 SGD

B
Cheapest Retailer
-
$6,826 SGD
B
Retailer 2
-
$7,577 SGD
View
Retailer 3
-
$7,927 SGD
View
Price last confirmed 34 days ago
B
Retailer 4
-
$8,679 SGD
View
B
Retailer 5
-
$9,732 SGD
View
Most Expensive
B
MOH London
66323A2FF · Nov 4
$11,721 SGD
£7,201 GBP
View
5 more retailers have this diamond
Prices start from $6,826 SGDSave up to $4,895 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
1.22ct Marquise
$6,826 SGD