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Marquise|Natural|GIA

1.20ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1569588431

Certificate GIA 1569588431

Diamond specifications and retailer prices

From $7,620 AUD
As of November 5, 2026
Save $6,236 AUD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,857 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1569588431. Listed at 14 retailers as of November 5, 2026, with prices from $7,620 to $13,857, a $6,236 spread on the same certified stone. Wholesale Diamonds Direct lists it at $13,857. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.61°
Pavilion angle39.48°
OriginNatural
Grading LabGIA
CertificateGIA 1569588431
Dimensions11.02 × 5.68 × 3.34 mm
L/W Ratio1.94
Culet sizeNone
Top View
11.02 mm5.68 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1569588431
Side View
Table 60.0%Crown 36.61°Girdle: MED-THKPavilion 39.48°Culet: NDepth 58.8%

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: $8,246 AUD|Low: $7,620 AUD|High: $13,963 AUD|Avg: $9,495 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
Wholesale Diamonds Direct
November 6, 2026
Retailer 13$7,620 AUD
Retailer 5$7,817 AUD
Retailer 2$7,893 AUD
Retailer 10$8,040 AUD
Retailer 4$8,128 AUD
Retailer 3$8,238 AUD
Retailer 1$8,246 AUD
Retailer 8$8,612 AUD
Retailer 12$9,636 AUD
Retailer 7$9,664 AUD
Retailer 11$9,678 AUD
Retailer 6$10,801 AUD
Retailer 9$13,129 AUD
Wholesale Diamonds Direct$13,857 AUD

24 data points across 14 retailers

14 retailers$7,620 AUD to $13,857 AUD

B+
Cheapest Retailer
-
$7,620 AUD
B+
Retailer 2
-
$7,817 AUD
View
B+
Retailer 3
-
$7,893 AUD
View
B+
Retailer 4
-
$8,040 AUD
View
B+
Retailer 5
-
$8,128 AUD
View
B+
Retailer 6
-
$8,238 AUD
View
B+
Retailer 7
-
$8,246 AUD
View
B+
Retailer 8
-
$8,612 AUD
View
B
Retailer 9
-
$9,636 AUD
View
B
Retailer 10
-
$9,664 AUD
View
B
Retailer 11
-
$9,678 AUD
View
B
Retailer 12
-
$10,801 AUD
View
B
Retailer 13
-
$13,129 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
538592521 · Nov 6
$13,857 AUD
$9,521 USD
View
13 more retailers have this diamond
Prices start from $7,620 AUDSave up to $6,236 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
$7,620 AUD