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Marquise|Natural|GIA

1.20ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6562638922

Certificate GIA 6562638922

Diamond specifications and retailer prices

From $6,664 AUD
As of November 5, 2026
Save $5,093 AUD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,757 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded H 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 6562638922. Listed at 16 retailers as of November 5, 2026, with prices from $6,664 to $11,757, a $5,093 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,757. 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

1.20
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.83°
Pavilion angle40.01°
OriginNatural
Grading LabGIA
CertificateGIA 6562638922
Dimensions10.32 × 5.45 × 3.50 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.32 mm5.45 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562638922
Side View
Table 60.0%Crown 39.83°Girdle: STK-THKPavilion 40.01°Culet: NDepth 64.2%

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: $7,409 AUD|Low: $6,664 AUD|High: $11,757 AUD|Avg: $8,350 AUD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Wholesale Diamonds Direct
November 7, 2026
Retailer 13$6,664 AUD
Retailer 7$6,709 AUD
Retailer 10$6,782 AUD
Retailer 14$6,856 AUD
Retailer 6$7,014 AUD
Retailer 11$7,044 AUD
Retailer 12$7,228 AUD
Retailer 1$7,409 AUD
Retailer 4$7,932 AUD
Retailer 5$8,294 AUD
Retailer 2$8,297 AUD
Retailer 9$8,514 AUD
Retailer 8$9,186 AUD
Retailer 15$11,167 AUD
Retailer 3$11,425 AUD
Wholesale Diamonds Direct$11,757 AUD

22 data points across 16 retailers

16 retailers$6,664 AUD to $11,757 AUD

B+
Cheapest Retailer
-
$6,664 AUD
B+
Retailer 2
-
$6,709 AUD
View
B+
Retailer 3
-
$6,782 AUD
View
B+
Retailer 4
-
$6,856 AUD
View
B
Retailer 5
-
$7,014 AUD
View
B
Retailer 6
-
$7,044 AUD
View
B
Retailer 7
-
$7,228 AUD
View
B
Retailer 8
-
$7,409 AUD
View
B
Retailer 9
-
$7,932 AUD
View
B
Retailer 10
-
$8,294 AUD
View
B
Retailer 11
-
$8,297 AUD
View
B
Retailer 12
-
$8,514 AUD
View
B
Retailer 13
-
$9,186 AUD
View
B
Retailer 14
-
$11,167 AUD
View
B
Retailer 15
-
$11,425 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
564760092 · Nov 6
$11,757 AUD
$8,078 USD
View
15 more retailers have this diamond
Prices start from $6,664 AUDSave up to $5,093 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+
1.20ct Marquise
$6,664 AUD