Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

EX • F/SI1 • GIA 2548820291

Certificate GIA 2548820291

Diamond specifications and retailer prices

From $424 USD
As of November 4, 2026
Save $984 USD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,914 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2548820291. Listed at 16 retailers as of November 4, 2026, with a 232% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.51
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548820291
Dimensions5.36 × 3.74 × 2.58 mm
L/W Ratio1.43
Top View
5.36 mm3.74 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548820291
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.0%

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 4
Current: $447 USD|Low: $424 USD|High: $1,426 USD|Avg: $811 USD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$424 USD
Retailer 1$447 USD
Retailer 3$738 USD
Retailer 6$800 USD
Retailer 2$895 USD
Retailer 8$917 USD
Retailer 5$942 USD
Retailer 4$1,408 USD

36 data points across 8 retailers

16 retailers$424 USD to $1,408 USD

A
Cheapest Retailer
-
$424 USD
Final sale: no returns
A
Retailer 2
-
$447 USD
View
B+
Retailer 3
-
$578 USD
View
B+
Retailer 4
-
$610 USD
View
B+
Retailer 5
-
$657 USD
View
Retailer 6
-
$657 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$704 USD
View
B+
Retailer 8
-
$738 USD
View
B+
Retailer 9
-
$742 USD
View
Retailer 10
-
$789 USD
View
Price last confirmed 41 days ago
B+
Retailer 11
-
$800 USD
View
B
Retailer 12
-
$895 USD
View
Retailer 13
-
$917 USD
View
Price last confirmed 33 days ago
B
Retailer 14
-
$942 USD
View
B
Retailer 15
-
$1,408 USD
View
Most Expensive
NZ Jewellers
01ec37c2-3384-4ca3-8c6e-77a1e4fc563d · Nov 5
$1,914 USD
View
Price under review
15 more retailers have this diamond
Prices start from $424 USDSave up to $984 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.

A
0.51ct Emerald
$424 USD