Emerald|Natural|GIA

0.51ct K SI1 Emerald Natural Diamond

GD • K/SI1 • GIA 6382426587

Certificate GIA 6382426587

Diamond specifications and retailer prices

From $604 USD
As of November 5, 2026
Save $379 USD (39%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $983 USD 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 $604 to $983, a $379 spread on the same certified stone. Allurez lists it at $983. 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
Color
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: $403 USD|Low: $285 USD|High: $1,265 USD|Avg: $446 USD|-3.6%
Retailer 1
Retailer 2
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Retailer 5
Retailer 6
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Retailer 8
Retailer 9
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Retailer 11
July 22, 2026
Retailer 4$286 USD
Retailer 8$288 USD
Retailer 2$291 USD
Retailer 3$341 USD
Retailer 10$345 USD
Retailer 1$403 USD
Retailer 6$414 USD
Retailer 7$462 USD
Retailer 5$470 USD
Retailer 9$517 USD
Retailer 11$1,246 USD

54 data points across 11 retailers

2 retailers$604 USD to $983 USD

B
Cheapest Retailer
-
$604 USD
Most Expensive
C
Allurez
4238084 · Nov 5
$983 USD
View
1 more retailer has this diamond
Prices start from $604 USDSave up to $379 USD

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
$604 USD