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Marquise|Natural|GIA

1.22ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 1569358144

Certificate GIA 1569358144

Diamond specifications and retailer prices

From $5,644 AUD
As of November 5, 2026
Save $6,298 AUD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,942 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 1569358144. Listed at 11 retailers as of November 5, 2026, with prices from $5,644 to $11,942, a $6,298 spread on the same certified stone. MOH London lists it at $11,942. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1569358144
Dimensions11.80 × 5.32 × 3.34 mm
L/W Ratio2.22
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud
Top View
11.80 mm5.32 mm1.22 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1569358144
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $11,942 AUD|Low: $5,644 AUD|High: $12,554 AUD|Avg: $7,977 AUD|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 6$5,644 AUD
Retailer 5$6,867 AUD
Retailer 9$6,958 AUD
Retailer 3$7,081 AUD
Retailer 2$7,450 AUD
Retailer 8$7,539 AUD
Retailer 7$7,760 AUD
Retailer 10$8,794 AUD
Retailer 4$9,197 AUD
MOH London$11,942 AUD

29 data points across 10 retailers

11 retailers$5,644 AUD to $11,942 AUD

B+
Cheapest Retailer
-
$5,644 AUD
B+
Retailer 2
-
$6,867 AUD
View
B+
Retailer 3
-
$6,958 AUD
View
Final sale: no returns
B
Retailer 4
-
$7,081 AUD
View
B
Retailer 5
-
$7,450 AUD
View
B
Retailer 6
-
$7,539 AUD
View
B
Retailer 7
-
$7,760 AUD
View
Retailer 8
-
$7,788 AUD
View
Price last confirmed 22 days ago
Retailer 9
-
$8,794 AUD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$9,197 AUD
View
Most Expensive
B
MOH London
C0F282DD9 · Nov 7
$11,942 AUD
£6,461 GBP
View
10 more retailers have this diamond
Prices start from $5,644 AUDSave up to $6,298 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
$5,644 AUD