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Marquise|Natural|GIA

1.51ct I IF Marquise Natural Diamond

EX • I/IF • GIA 5563584694

Certificate GIA 5563584694

Diamond specifications and retailer prices

From $12,400 AUD
SGD 11,743 SGD
As of November 1, 2026
Save $9,820 AUD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,220 AUD at With Clarity · As of November 1, 2026
View at With Clarity

About this 1.51ct natural marquise diamond

This 1.51ct 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 5563584694. Listed at 15 retailers as of November 1, 2026, with prices from $12,400 to $22,220, a $9,820 spread on the same certified stone. With Clarity lists it at $22,220. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38.07°
Pavilion angle40.48°
OriginNatural
Grading LabGIA
CertificateGIA 5563584694
Dimensions11.74 × 6.01 × 3.73 mm
L/W Ratio1.95
Culet sizeNone
Top View
11.74 mm6.01 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5563584694
Side View
Table 59.0%Crown 38.07°Girdle: STK-THKPavilion 40.48°Culet: NDepth 61.9%

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 1
Current: $15,841 AUD|Low: $12,400 AUD|High: $22,220 AUD|Avg: $15,749 AUD|+0.6%
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
Retailer 14
With Clarity
November 2, 2026
Retailer 9$12,400 AUD
Retailer 13$13,015 AUD
Retailer 10$13,167 AUD
Retailer 14$13,313 AUD
Retailer 2$13,643 AUD
Retailer 6$13,705 AUD
Retailer 7$13,727 AUD
Retailer 4$15,527 AUD
Retailer 1$15,841 AUD
Retailer 5$15,844 AUD
Retailer 12$16,396 AUD
Retailer 8$18,276 AUD
Retailer 11$18,425 AUD
Retailer 3$19,487 AUD
With Clarity$22,220 AUD

19 data points across 15 retailers

15 retailers$12,400 AUD to $22,220 AUD

A
Cheapest Retailer
-
$12,400 AUD
SGD 11,743 SGD
A
Retailer 2
-
$13,015 AUD
$9,121 USD
View
A
Retailer 3
-
$13,167 AUD
$9,228 USD
View
A
Retailer 4
-
$13,313 AUD
$9,330 USD
View
A
Retailer 5
-
$13,422 AUD
SGD 12,711 SGD
View
A
Retailer 6
-
$13,643 AUD
$9,562 USD
View
A
Retailer 7
-
$13,705 AUD
$9,605 USD
View
A
Retailer 8
-
$13,727 AUD
£7,575 GBP
View
B+
Retailer 9
-
$15,527 AUD
£8,568 GBP
View
B+
Retailer 10
-
$15,841 AUD
€10,573 EUR
View
B+
Retailer 11
-
$15,844 AUD
$11,104 USD
View
B+
Retailer 12
-
$16,396 AUD
$11,491 USD
View
B
Retailer 13
-
$18,276 AUD
$12,808 USD
View
B
Retailer 14
-
$19,487 AUD
$13,657 USD
View
Most Expensive
B
With Clarity
5563584694 · Nov 1
$22,220 AUD
$15,572 USD
View
14 more retailers have this diamond
Prices start from $12,400 AUDSave up to $9,820 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
$12,400 AUD