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Emerald|Natural|GIA

0.51ct H IF Emerald Natural Diamond

EX • H/IF • GIA 5232656788

Certificate GIA 5232656788

Diamond specifications and retailer prices

From £699 GBP
As of November 5, 2026
Save £375 GBP (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,073 GBP at MOH London · As of November 4, 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 H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232656788. Listed at 5 retailers as of November 4, 2026, with prices from £699 to £1,073, a £375 spread on the same certified stone. MOH London lists it at £1,073. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
H
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5232656788
Dimensions5.38 × 3.89 × 2.61 mm
L/W Ratio1.38
Top View
5.38 mm3.89 mm0.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5232656788
Side View
Table 64.0%CrownGirdlePavilionCuletDepth 67.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,073 GBP|Low: £669 GBP|High: £1,088 GBP|Avg: £896 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2£699 GBP
Retailer 3£827 GBP
Retailer 4£882 GBP
Retailer 5£1,010 GBP
MOH London£1,073 GBP

33 data points across 5 retailers

5 retailers£699 GBP to £1,073 GBP

B+
Cheapest Retailer
-
£699 GBP
B+
Retailer 2
-
£792 GBP
View
B+
Retailer 3
-
£827 GBP
View
Retailer 4
-
£882 GBP
View
Price last confirmed 31 days ago
Most Expensive
B
MOH London
69FEEE6C9 · Nov 4
£1,073 GBP
View
4 more retailers have this diamond
Prices start from £699 GBPSave up to £375 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
£699 GBP