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Marquise|Natural|GIA

1.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 5563584318

Certificate GIA 5563584318

Diamond specifications and retailer prices

From $8,095 USD
As of October 18, 2026
9 retailers carry this diamond
Most expensive: $9,891 USD at Wholesale Diamonds Direct · As of October 23, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563584318. Listed at 9 retailers as of October 18, 2026. 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

1.51
Carat
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.86°
Pavilion angle39.45°
OriginNatural
Grading LabGIA
CertificateGIA 5563584318
Dimensions11.39 × 5.94 × 3.74 mm
L/W Ratio1.92
Culet sizeNone
Top View
11.39 mm5.94 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563584318
Side View
Table 58.0%Crown 39.86°Girdle: STK-THKPavilion 39.45°Culet: NDepth 63.1%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 18
Current: $8,560 USD|Low: $8,095 USD|High: $11,052 USD|Avg: $9,003 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 24, 2026
Retailer 4$8,095 USD
Retailer 9$8,096 USD
Retailer 5$8,250 USD
Retailer 7$8,363 USD
Retailer 1$8,560 USD
Retailer 8$9,642 USD
Retailer 6$9,732 USD
Retailer 3$9,876 USD
Wholesale Diamonds Direct$9,891 USD
Retailer 2$11,052 USD

11 data points across 10 retailers

9 retailers$8,095 USD to $9,891 USD

Retailer 1
-
$8,095 USD
Price last confirmed 13 days ago
Retailer 2
-
$8,096 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$8,250 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$8,363 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$8,560 USD
£6,740 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
$9,642 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$9,732 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$9,876 USD
€9,406 EUR
View
Price last confirmed 8 days ago
Most Expensive
Wholesale Diamonds Direct
538592178 · Oct 23
$9,891 USD
View
Price last confirmed 7 days ago
8 more retailers have this diamond

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.

1.51ct Marquise
$8,095 USD