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Marquise|Natural|GIA

0.51ct J SI2 Marquise Natural Diamond

GD • J/SI2 • GIA 1558714459

Certificate GIA 1558714459

Diamond specifications and retailer prices

From £285 GBP
As of November 6, 2026
Save £66 GBP (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £351 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded J 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 1558714459. Listed at 2 retailers as of November 6, 2026, with prices from £285 to £351, a £66 spread on the same certified stone. 77 Diamonds lists it at £351. 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

0.51
Carat
J
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558714459
Dimensions7.59 × 4.11 × 2.72 mm
L/W Ratio1.85
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
7.59 mm4.11 mm0.51 ctJ / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1558714459
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.1%

Caratlytics Score

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

Last verified: Nov 6
Current: £351 GBP|Low: £232 GBP|High: £359 GBP|Avg: £306 GBP|+6.3%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£285 GBP
77 Diamonds£351 GBP

41 data points across 2 retailers

2 retailers£285 GBP to £351 GBP

B+
Cheapest Retailer
-
£285 GBP
Final sale: no returns
Most Expensive
B+
77 Diamonds
MQCPGCJKDUG8 · Nov 6
£351 GBP
View
1 more retailer has this diamond
Prices start from £285 GBPSave up to £66 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+
0.51ct Marquise
£285 GBP