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Marquise|Natural|GIA

0.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7552270552

Certificate GIA 7552270552

Diamond specifications and retailer prices

From £381 GBP
As of November 6, 2026
Save £852 GBP (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,233 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.5ct natural marquise diamond

This 0.5ct 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 7552270552. Listed at 6 retailers as of November 2, 2026, with prices from £381 to £1,233, a £852 spread on the same certified stone. MOH London lists it at £1,233. 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

0.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7552270552
Dimensions7.54 × 4.28 × 2.70 mm
L/W Ratio1.76
Key to symbols
Feather
Top View
7.54 mm4.28 mm0.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7552270552
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.2%

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: £1,233 GBP|Low: £381 GBP|High: £1,247 GBP|Avg: £742 GBP|+20.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£381 GBP
Retailer 3£633 GBP
Retailer 6£719 GBP
Retailer 5£731 GBP
Retailer 4£802 GBP
MOH London£1,233 GBP

46 data points across 6 retailers

6 retailers£381 GBP to £1,233 GBP

A
Cheapest Retailer
-
£381 GBP
A
Retailer 2
-
£492 GBP
View
B+
Retailer 3
-
£633 GBP
View
B+
Retailer 4
-
£731 GBP
View
Retailer 5
-
£802 GBP
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
F6155BE51 · Nov 2
£1,233 GBP
View
5 more retailers have this diamond
Prices start from £381 GBPSave up to £852 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
0.50ct Marquise
£381 GBP