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Marquise|Natural|GIA

0.56ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 2557095683

Certificate GIA 2557095683

Diamond specifications and retailer prices

From $431 USD
As of November 6, 2026
Save $431 USD (50%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $862 USD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 0.56ct natural marquise diamond

This 0.56ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557095683. Listed at 3 retailers as of November 5, 2026, with prices from $431 to $862, a $431 spread on the same certified stone. 77 Diamonds lists it at $862. 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

0.56
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557095683
Dimensions6.95 × 4.51 × 2.91 mm
L/W Ratio1.54
Top View
6.95 mm4.51 mm0.56 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557095683
Side View
Table 59.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 64.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $862 USD|Low: $431 USD|High: $871 USD|Avg: $675 USD|+0.2%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 2$431 USD
Retailer 3$722 USD
77 Diamonds$862 USD

46 data points across 3 retailers

3 retailers$431 USD to $862 USD

A
Cheapest Retailer
-
$431 USD
B+
Retailer 2
-
$722 USD
View
Most Expensive
B
77 Diamonds
MQCPK5SRPVPW · Nov 5
$862 USD
£679 GBP
View
2 more retailers have this diamond
Prices start from $431 USDSave up to $431 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
0.56ct Marquise
$431 USD