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Marquise|Natural|GIA

0.53ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 5161911792

Certificate GIA 5161911792

Diamond specifications and retailer prices

From £550 GBP
As of November 1, 2026
Save £302 GBP (35%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £852 GBP at Yorxs · As of November 3, 2026
View at Yorxs

About this 0.53ct natural marquise diamond

This 0.53ct 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 5161911792. Listed at 2 retailers as of November 1, 2026, with prices from £550 to £852, a £302 spread on the same certified stone. Yorxs lists it at £852. 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

0.53
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5161911792
Dimensions7.28 × 3.75 × 3.01 mm
L/W Ratio1.94
Girdle conditionFaceted
Top View
7.28 mm3.75 mm0.53 ctK / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 5161911792
Side View
Table 55.0%CrownGirdle: VTK-ETKPavilionCuletDepth 80.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: £550 GBP|Low: £550 GBP|High: £855 GBP|Avg: £700 GBP|-0.7%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 3, 2026
Retailer 1£550 GBP
Retailer 2£646 GBP
Retailer 3£704 GBP
Yorxs£852 GBP

15 data points across 4 retailers

2 retailers£550 GBP to £852 GBP

B
Cheapest Retailer
-
£550 GBP
Most Expensive
C
Yorxs
AEC4BA56A · Nov 3
£852 GBP
€1,092 EUR
View
1 more retailer has this diamond
Prices start from £550 GBPSave up to £302 GBP

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.

B
0.53ct Marquise
£550 GBP