Marquise|Natural|GIA

1.51ct G IF Marquise Natural Diamond

EX • G/IF • GIA 5546301834

Certificate GIA 5546301834

Diamond specifications and retailer prices

From $18,669 USD
As of November 4, 2026
Save $10,070 USD (35%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $28,739 USD 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 $18,669 to $28,739, a $10,070 spread on the same certified stone. MOH London lists it at $28,739. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $28,739 USD|Low: $18,669 USD|High: $29,163 USD|Avg: $21,767 USD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8$18,669 USD
Retailer 7$18,723 USD
Retailer 3$19,017 USD
Retailer 2$19,498 USD
Retailer 6$19,517 USD
Retailer 9$19,521 USD
Retailer 10$21,385 USD
Retailer 4$22,293 USD
Retailer 5$27,107 USD
MOH London$28,739 USD

39 data points across 10 retailers

18 retailers$18,669 USD to $28,739 USD

A
Cheapest Retailer
-
$18,669 USD
A
Retailer 2
-
$18,723 USD
View
A
Retailer 3
-
$19,017 USD
View
A
Retailer 4
-
$19,498 USD
View
B+
Retailer 5
-
$19,517 USD
View
Final sale: no returns
Retailer 6
-
$19,521 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
$19,880 USD
View
Retailer 8
-
$20,366 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$21,229 USD
View
B+
Retailer 10
-
$21,385 USD
View
B+
Retailer 11
-
$21,498 USD
View
B+
Retailer 12
-
$22,063 USD
View
B+
Retailer 13
-
$22,293 USD
View
B
Retailer 14
-
$22,644 USD
View
B
Retailer 15
-
$22,912 USD
View
B
Retailer 16
-
$26,139 USD
View
B
Retailer 17
-
$27,107 USD
View
Most Expensive
B
MOH London
70C565E01 · Nov 4
$28,739 USD
£22,629 GBP
View
17 more retailers have this diamond
Prices start from $18,669 USDSave up to $10,070 USD

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
$18,669 USD