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Marquise|Natural|GIA

1.20ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6562041085

Certificate GIA 6562041085

Diamond specifications and retailer prices

From $6,257 AUD
As of November 4, 2026
Save $4,917 AUD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,174 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 6562041085. Listed at 14 retailers as of November 4, 2026, with prices from $6,257 to $11,174, a $4,917 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,174. 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
FluorescenceFaint
Crown angle39.4°
Pavilion angle38.1°
OriginNatural
Grading LabGIA
CertificateGIA 6562041085
Dimensions10.40 × 5.46 × 3.37 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.40 mm5.46 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562041085
Side View
Table 57.0%Crown 39.4°Girdle: MED-VTKPavilion 38.1°Culet: NDepth 61.8%

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 4
Current: $7,105 AUD|Low: $6,257 AUD|High: $11,854 AUD|Avg: $8,165 AUD|-7.8%
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
Wholesale Diamonds Direct
November 7, 2026
Retailer 5$6,257 AUD
Retailer 12$6,327 AUD
Retailer 10$6,506 AUD
Retailer 9$6,568 AUD
Retailer 6$6,656 AUD
Retailer 4$6,859 AUD
Retailer 1$7,105 AUD
Retailer 13$7,894 AUD
Retailer 2$7,904 AUD
Retailer 8$8,076 AUD
Retailer 7$8,716 AUD
Retailer 11$10,597 AUD
Retailer 3$10,843 AUD
Wholesale Diamonds Direct$11,174 AUD

29 data points across 14 retailers

14 retailers$6,257 AUD to $11,174 AUD

B+
Cheapest Retailer
-
$6,257 AUD
B+
Retailer 2
-
$6,327 AUD
View
B+
Retailer 3
-
$6,506 AUD
View
B+
Retailer 4
-
$6,568 AUD
View
B+
Retailer 5
-
$6,656 AUD
View
B+
Retailer 6
-
$6,859 AUD
View
B+
Retailer 7
-
$7,105 AUD
View
B
Retailer 8
-
$7,894 AUD
View
B
Retailer 9
-
$7,904 AUD
View
B
Retailer 10
-
$8,076 AUD
View
B
Retailer 11
-
$8,716 AUD
View
B
Retailer 12
-
$10,597 AUD
View
B
Retailer 13
-
$10,843 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
302936987 · Nov 6
$11,174 AUD
$7,677 USD
View
13 more retailers have this diamond
Prices start from $6,257 AUDSave up to $4,917 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
$6,257 AUD