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Emerald|Natural|GIA

0.51ct J SI2 Emerald Natural Diamond

EX • J/SI2 • GIA 5546474485

Certificate GIA 5546474485

Diamond specifications and retailer prices

From £440 GBP
As of October 31, 2026
Save £379 GBP (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £820 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546474485. Listed at 5 retailers as of October 29, 2026, with prices from £440 to £820, a £379 spread on the same certified stone. MOH London lists it at £820. 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

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5546474485
Dimensions5.66 × 3.73 × 2.50 mm
L/W Ratio1.52
Top View
5.66 mm3.73 mm0.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5546474485
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £820 GBP|Low: £254 GBP|High: £826 GBP|Avg: £503 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4£255 GBP
Retailer 2£440 GBP
Retailer 5£446 GBP
Retailer 3£532 GBP
MOH London£820 GBP

45 data points across 5 retailers

5 retailers£440 GBP to £820 GBP

Retailer 1
-
£255 GBP
₹32,509 INR
Price last confirmed 7 days ago
B
Retailer 2
-
£440 GBP
View
B
Retailer 3
-
£446 GBP
$597 USD
View
B
Retailer 4
-
£532 GBP
€679 EUR
View
Most Expensive
B
MOH London
98350B929 · Oct 29
£820 GBP
View
4 more retailers have this diamond
Prices start from £440 GBPSave up to £379 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 Emerald
£440 GBP