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Emerald|Natural|GIA

0.51ct K SI1 Emerald Natural Diamond

GD • K/SI1 • GIA 6382426587

Certificate GIA 6382426587

Diamond specifications and retailer prices

From €538 EUR
As of November 5, 2026
Save €338 EUR (39%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €876 EUR at Allurez · As of November 5, 2026
View at Allurez

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6382426587. Listed at 2 retailers as of November 5, 2026, with prices from €538 to €876, a €338 spread on the same certified stone. Allurez lists it at €876. 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
K
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6382426587
Dimensions5.39 × 3.87 × 2.41 mm
L/W Ratio1.39
Top View
5.39 mm3.87 mm0.51 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6382426587
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: €359 EUR|Low: €254 EUR|High: €1,127 EUR|Avg: €397 EUR|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
July 22, 2026
Retailer 4€255 EUR
Retailer 8€257 EUR
Retailer 2€259 EUR
Retailer 3€304 EUR
Retailer 10€307 EUR
Retailer 1€359 EUR
Retailer 6€369 EUR
Retailer 7€412 EUR
Retailer 5€419 EUR
Retailer 9€461 EUR
Retailer 11€1,110 EUR

54 data points across 11 retailers

2 retailers€538 EUR to €876 EUR

B
Cheapest Retailer
-
€538 EUR
Most Expensive
C
Allurez
4238084 · Nov 5
€876 EUR
$983 USD
View
1 more retailer has this diamond
Prices start from €538 EURSave up to €338 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.

B
0.51ct Emerald
€538 EUR