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Marquise|Natural|GIA

0.54ct H SI2 Marquise Natural Diamond

GD • H/SI2 • GIA 6551646852

Certificate GIA 6551646852

Diamond specifications and retailer prices

From £406 GBP
As of November 6, 2026
Save £87 GBP (18%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £493 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.54ct natural marquise diamond

This 0.54ct natural marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6551646852. Listed at 2 retailers as of November 6, 2026, with prices from £406 to £493, a £87 spread on the same certified stone. 77 Diamonds lists it at £493. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.54
Carat
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551646852
Dimensions8.15 × 4.26 × 2.67 mm
L/W Ratio1.91
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
8.15 mm4.26 mm0.54 ctH / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6551646852
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £493 GBP|Low: £335 GBP|High: £498 GBP|Avg: £429 GBP|+3.4%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£406 GBP
77 Diamonds£493 GBP

41 data points across 2 retailers

2 retailers£406 GBP to £493 GBP

B+
Cheapest Retailer
-
£406 GBP
Final sale: no returns
Most Expensive
B+
77 Diamonds
MQCPPJCKXCKZ · Nov 6
£493 GBP
View
1 more retailer has this diamond
Prices start from £406 GBPSave up to £87 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+
0.54ct Marquise
£406 GBP