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Marquise|Natural|GIA

1.50ct I IF Marquise Natural Diamond

EX • I/IF • GIA 6565441584

Certificate GIA 6565441584

Diamond specifications and retailer prices

From $11,244 AUD
SGD 10,649 SGD
As of October 31, 2026
Save $8,867 AUD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $20,111 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565441584. Listed at 12 retailers as of October 31, 2026, with prices from $11,244 to $20,111, a $8,867 spread on the same certified stone. MOH London lists it at $20,111. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.7°
Pavilion angle35.9°
OriginNatural
Grading LabGIA
CertificateGIA 6565441584
Dimensions12.95 × 5.88 × 3.30 mm
L/W Ratio2.20
Culet sizeNone
Top View
12.95 mm5.88 mm1.50 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565441584
Side View
Table 60.0%Crown 35.7°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 56.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $20,111 AUD|Low: $11,244 AUD|High: $21,012 AUD|Avg: $15,234 AUD|-4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8$11,244 AUD
Retailer 12$12,421 AUD
Retailer 4$13,187 AUD
Retailer 11$13,260 AUD
Retailer 2$13,969 AUD
Retailer 7$14,154 AUD
Retailer 6$14,213 AUD
Retailer 10$15,641 AUD
Retailer 3$15,755 AUD
Retailer 9$15,846 AUD
Retailer 5$18,917 AUD
MOH London$20,111 AUD

34 data points across 12 retailers

12 retailers$11,244 AUD to $20,111 AUD

A
Cheapest Retailer
-
$11,244 AUD
SGD 10,649 SGD
A
Retailer 2
-
$12,421 AUD
$8,705 USD
View
A
Retailer 3
-
$13,187 AUD
$9,242 USD
View
A
Retailer 4
-
$13,260 AUD
$9,293 USD
View
A
Retailer 5
-
$13,969 AUD
£7,708 GBP
View
Retailer 6
-
$14,154 AUD
View
Price last confirmed 9 days ago
Retailer 7
-
$14,213 AUD
$9,961 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$15,641 AUD
$10,962 USD
View
B+
Retailer 9
-
$15,755 AUD
$11,041 USD
View
B+
Retailer 10
-
$15,846 AUD
$11,105 USD
View
B+
Retailer 11
-
$18,917 AUD
ZAR 214,178 ZAR
View
Most Expensive
B+
MOH London
9CC20E3E7 · Nov 1
$20,111 AUD
£11,098 GBP
View
11 more retailers have this diamond
Prices start from $11,244 AUDSave up to $8,867 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.

A
1.50ct Marquise
$11,244 AUD