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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 $10,349 SGD
$8,095 USD
As of October 18, 2026
9 retailers carry this diamond
Most expensive: $12,644 SGD 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
Colour
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: $10,943 SGD|Low: $10,349 SGD|High: $14,129 SGD|Avg: $11,510 SGD|-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$10,349 SGD
Retailer 9$10,350 SGD
Retailer 5$10,547 SGD
Retailer 7$10,691 SGD
Retailer 1$10,943 SGD
Retailer 8$12,327 SGD
Retailer 6$12,441 SGD
Retailer 3$12,626 SGD
Wholesale Diamonds Direct$12,644 SGD
Retailer 2$14,129 SGD

11 data points across 10 retailers

9 retailers$10,349 SGD to $12,644 SGD

Retailer 1
-
$10,349 SGD
$8,095 USD
Price last confirmed 13 days ago
Retailer 2
-
$10,350 SGD
$8,096 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$10,547 SGD
$8,250 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$10,691 SGD
$8,363 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$10,943 SGD
£6,740 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
$12,327 SGD
$9,642 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$12,441 SGD
$9,732 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$12,626 SGD
€9,406 EUR
View
Price last confirmed 8 days ago
Most Expensive
Wholesale Diamonds Direct
538592178 · Oct 23
$12,644 SGD
$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
$10,349 SGD