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Marquise|Natural|GIA

1.22ct I SI1 Marquise Natural Diamond

I/SI1

Diamond specifications and retailer prices

From $7,636 AUD
As of November 5, 2026
Save $7,513 AUD (50%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $15,149 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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) and certified by GIA. Listed at 4 retailers as of November 5, 2026, with prices from $7,636 to $15,149, a $7,513 spread on the same certified stone. NZ Jewellers lists it at $15,149. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.22
Carat
I
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
Dimensions11.70 × 5.38 × 3.40 mm
L/W Ratio2.17
Top View
11.70 mm5.38 mm1.22 ctI / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA
Side View
Table 59.0%CrownGirdle: MediumPavilionCuletDepth 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 5
Current: $15,149 AUD|Low: $7,636 AUD|High: $15,149 AUD|Avg: $10,082 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 3$7,636 AUD
Retailer 2$8,844 AUD
Retailer 4$8,949 AUD
NZ Jewellers$15,149 AUD

34 data points across 4 retailers

4 retailers$7,636 AUD to $15,149 AUD

B
Cheapest Retailer
-
$7,636 AUD
C
Retailer 2
-
$8,844 AUD
View
C
Retailer 3
-
$8,949 AUD
View
Most Expensive
C
NZ Jewellers
77773a6a-15c8-4bab-a814-2f28f4f63139 · Nov 5
$15,149 AUD
$10,409 USD
View
3 more retailers have this diamond
Prices start from $7,636 AUDSave up to $7,513 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
$7,636 AUD