CaratHunter
Plans
Marquise|Natural|GIA

0.54ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1555279981

Certificate GIA 1555279981

Diamond specifications and retailer prices

From £384 GBP
As of November 6, 2026
Save £598 GBP (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £982 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.54ct natural marquise diamond

This 0.54ct natural marquise sits in the half to three-quarter carat band, graded D 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 1555279981. Listed at 6 retailers as of November 4, 2026, with prices from £384 to £982, a £598 spread on the same certified stone. MOH London lists it at £982. 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

0.54
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555279981
Dimensions8.40 × 4.35 × 2.54 mm
L/W Ratio1.93
Top View
8.40 mm4.35 mm0.54 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1555279981
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £982 GBP|Low: £384 GBP|High: £1,042 GBP|Avg: £712 GBP|-4.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£384 GBP
Retailer 3£637 GBP
Retailer 5£735 GBP
Retailer 4£807 GBP
MOH London£982 GBP

45 data points across 5 retailers

6 retailers£384 GBP to £982 GBP

A
Cheapest Retailer
-
£384 GBP
A
Retailer 2
-
£494 GBP
View
A
Retailer 3
-
£637 GBP
View
B+
Retailer 4
-
£735 GBP
View
Retailer 5
-
£807 GBP
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
BA277C645 · Nov 4
£982 GBP
View
5 more retailers have this diamond
Prices start from £384 GBPSave up to £598 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
0.54ct Marquise
£384 GBP