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Marquise|Natural|GIA

0.55ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2554444330

Certificate GIA 2554444330

Diamond specifications and retailer prices

From £523 GBP
As of November 4, 2026
Save £152 GBP (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £675 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.55ct natural marquise diamond

This 0.55ct natural marquise sits in the half to three-quarter carat band, graded D 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 2554444330. Listed at 3 retailers as of November 4, 2026, with prices from £523 to £675, a £152 spread on the same certified stone. 77 Diamonds lists it at £675. 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

0.55
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554444330
Dimensions8.46 × 4.37 × 2.69 mm
L/W Ratio1.94
Culet sizeNone
Key to symbols
Crystal
Top View
8.46 mm4.37 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554444330
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.4%

Caratlytics Score

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

Last verified: Nov 4
Current: £675 GBP|Low: £459 GBP|High: £682 GBP|Avg: £583 GBP|+4.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5£490 GBP
Retailer 3£523 GBP
Retailer 4£619 GBP
Retailer 2£629 GBP
77 Diamonds£675 GBP

41 data points across 5 retailers

3 retailers£523 GBP to £675 GBP

A
Cheapest Retailer
-
£523 GBP
Final sale: no returns
B+
Retailer 2
-
£629 GBP
View
Most Expensive
B+
77 Diamonds
MQCP76UJQERQ · Nov 6
£675 GBP
View
2 more retailers have this diamond
Prices start from £523 GBPSave up to £152 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.

A
0.55ct Marquise
£523 GBP