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Emerald|Natural|GIA

0.50ct K SI1 Emerald Natural Diamond

EX • K/SI1 • GIA 2554219583

Certificate GIA 2554219583

Diamond specifications and retailer prices

From €261 EUR
As of November 5, 2026
Save €567 EUR (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €828 EUR at MOH London · As of November 4, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554219583. Listed at 6 retailers as of November 4, 2026, with prices from €261 to €828, a €567 spread on the same certified stone. MOH London lists it at €828. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554219583
Dimensions5.88 × 3.62 × 2.53 mm
L/W Ratio1.62
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather
Top View
5.88 mm3.62 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2554219583
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €828 EUR|Low: €261 EUR|High: €834 EUR|Avg: €533 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3€261 EUR
Retailer 4€465 EUR
Retailer 2€577 EUR
MOH London€828 EUR

44 data points across 4 retailers

6 retailers€261 EUR to €828 EUR

A
Cheapest Retailer
-
€261 EUR
B+
Retailer 2
-
€465 EUR
View
B+
Retailer 3
-
€486 EUR
View
Retailer 4
-
€499 EUR
View
Price last confirmed 16 days ago
B
Retailer 5
-
€577 EUR
View
Most Expensive
B
MOH London
BFE904159 · Nov 4
€828 EUR
£732 GBP
View
5 more retailers have this diamond
Prices start from €261 EURSave up to €567 EUR

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 Emerald
€261 EUR