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Emerald|Natural|GIA

0.50ct K SI2 Emerald Natural Diamond

EX • K/SI2 • GIA 5231234382

Certificate GIA 5231234382

Diamond specifications and retailer prices

From £383 GBP
As of November 5, 2026
Save £309 GBP (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £692 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.5ct natural emerald diamond

This 0.5ct natural emerald sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231234382. Listed at 4 retailers as of November 2, 2026, with prices from £383 to £692, a £309 spread on the same certified stone. MOH London lists it at £692. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231234382
Dimensions5.27 × 3.70 × 2.62 mm
L/W Ratio1.42
Girdle conditionPolished
Key to symbols
Crystal
Top View
5.27 mm3.70 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231234382
Side View
Table 67.0%CrownGirdle: ThickPavilionCulet: NoneDepth 70.7%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £692 GBP|Low: £360 GBP|High: £727 GBP|Avg: £475 GBP|-3.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£383 GBP
Retailer 2£388 GBP
Retailer 3£418 GBP
Retailer 5£494 GBP
MOH London£692 GBP

42 data points across 5 retailers

4 retailers£383 GBP to £692 GBP

B+
Cheapest Retailer
-
£383 GBP
B+
Retailer 2
-
£388 GBP
View
B+
Retailer 3
-
£418 GBP
View
Most Expensive
B
MOH London
5BE74EDC8 · Nov 2
£692 GBP
View
3 more retailers have this diamond
Prices start from £383 GBPSave up to £309 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+
0.50ct Emerald
£383 GBP