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Marquise|Natural|GIA

1.51ct G IF Marquise Natural Diamond

EX • G/IF • GIA 5546301834

Certificate GIA 5546301834

Diamond specifications and retailer prices

From $26,669 AUD
As of November 4, 2026
Save $14,385 AUD (35%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $41,053 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded G 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 5546301834. Listed at 18 retailers as of November 4, 2026, with prices from $26,669 to $41,053, a $14,385 spread on the same certified stone. MOH London lists it at $41,053. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5546301834
Dimensions12.39 × 5.79 × 3.61 mm
L/W Ratio2.14
Top View
12.39 mm5.79 mm1.51 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546301834
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.3%

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: Nov 4
Current: $41,053 AUD|Low: $26,669 AUD|High: $41,659 AUD|Avg: $30,768 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$26,669 AUD
Retailer 7$26,746 AUD
Retailer 2$27,167 AUD
Retailer 3$27,853 AUD
Retailer 6$27,880 AUD
Retailer 9$27,886 AUD
Retailer 10$30,548 AUD
Retailer 4$31,846 AUD
Retailer 5$38,722 AUD
MOH London$41,053 AUD

39 data points across 10 retailers

18 retailers$26,669 AUD to $41,053 AUD

A
Cheapest Retailer
-
$26,669 AUD
A
Retailer 2
-
$26,746 AUD
View
A
Retailer 3
-
$27,167 AUD
View
A
Retailer 4
-
$27,853 AUD
View
B+
Retailer 5
-
$27,880 AUD
View
Final sale: no returns
Retailer 6
-
$27,886 AUD
View
Price last confirmed 33 days ago
B+
Retailer 7
-
$28,399 AUD
View
Retailer 8
-
$29,093 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$30,326 AUD
View
B+
Retailer 10
-
$30,548 AUD
View
B+
Retailer 11
-
$30,710 AUD
View
B+
Retailer 12
-
$31,517 AUD
View
B+
Retailer 13
-
$31,846 AUD
View
B
Retailer 14
-
$32,347 AUD
View
B
Retailer 15
-
$32,730 AUD
View
B
Retailer 16
-
$37,340 AUD
View
B
Retailer 17
-
$38,722 AUD
View
Most Expensive
B
MOH London
70C565E01 · Nov 4
$41,053 AUD
£22,629 GBP
View
17 more retailers have this diamond
Prices start from $26,669 AUDSave up to $14,385 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
1.51ct Marquise
$26,669 AUD