Marquise|Natural|GIA

0.75ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 5566609515

Certificate GIA 5566609515

Diamond specifications and retailer prices

From $1,465 USD
As of November 1, 2026
Save $487 USD (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,952 USD at Frank Darling · As of November 1, 2026
View at Frank Darling

About this 0.75ct natural marquise diamond

This 0.75ct natural marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566609515. Listed at 4 retailers as of November 1, 2026, with prices from $1,465 to $1,952, a $487 spread on the same certified stone. Frank Darling lists it at $1,952. 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

0.75
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.87°
Pavilion angle38.02°
OriginNatural
Grading LabGIA
CertificateGIA 5566609515
Dimensions9.00 × 4.76 × 2.89 mm
L/W Ratio1.89
Culet sizeNone
Top View
9.00 mm4.76 mm0.75 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566609515
Side View
Table 60.0%Crown 39.87°Girdle: STK-VTKPavilion 38.02°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,952 USD|Low: $1,465 USD|High: $1,952 USD|Avg: $1,644 USD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$1,465 USD
Retailer 4$1,568 USD
Retailer 2$1,615 USD
Frank Darling$1,952 USD

2 data points across 4 retailers

4 retailers$1,465 USD to $1,952 USD

A
Cheapest Retailer
-
$1,465 USD
A
Retailer 2
-
$1,568 USD
SGD 2,119 SGD
View
A
Retailer 3
-
$1,615 USD
£1,272 GBP
View
Most Expensive
B+
Frank Darling
2704838HK · Nov 1
$1,952 USD
View
3 more retailers have this diamond
Prices start from $1,465 USDSave up to $487 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
0.75ct Marquise
$1,465 USD