Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

VG • F/SI1 • GIA 2231146918

Certificate GIA 2231146918

Diamond specifications and retailer prices

From $499 USD
As of November 4, 2026
Save $880 USD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,875 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2231146918. Listed at 18 retailers as of November 4, 2026, with a 176% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231146918
Dimensions5.45 × 3.61 × 2.50 mm
L/W Ratio1.51
Top View
5.45 mm3.61 mm0.51 ctF / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2231146918
Side View
Table 68.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 69.1%

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: $1,875 USD|Low: $499 USD|High: $1,875 USD|Avg: $811 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 18$499 USD
Retailer 8$515 USD
Retailer 3$542 USD
Retailer 15$583 USD
Retailer 17$583 USD
Retailer 7$625 USD
Retailer 6$655 USD
Retailer 5$690 USD
Retailer 16$690 USD
Retailer 4$720 USD
Retailer 11$727 USD
Retailer 14$740 USD
Retailer 10$791 USD
Retailer 2$835 USD
Retailer 9$920 USD
Retailer 12$922 USD
Retailer 13$1,379 USD
NZ Jewellers$1,875 USD

46 data points across 18 retailers

18 retailers$499 USD to $1,379 USD

A
Cheapest Retailer
-
$499 USD
Final sale: no returns
A
Retailer 2
-
$515 USD
View
B+
Retailer 3
-
$542 USD
View
Retailer 4
-
$583 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$583 USD
View
B+
Retailer 6
-
$625 USD
View
B+
Retailer 7
-
$655 USD
View
B
Retailer 8
-
$690 USD
View
B
Retailer 9
-
$690 USD
View
B
Retailer 10
-
$720 USD
View
B
Retailer 11
-
$727 USD
View
B
Retailer 12
-
$740 USD
View
Retailer 13
-
$791 USD
View
Price last confirmed 41 days ago
B
Retailer 14
-
$835 USD
View
Retailer 15
-
$920 USD
View
Price last confirmed 33 days ago
B
Retailer 16
-
$922 USD
View
B
Retailer 17
-
$1,379 USD
View
Most Expensive
NZ Jewellers
512fb3e4-be19-4846-bcc9-ccd5dd914726 · Nov 5
$1,875 USD
View
Price under review
17 more retailers have this diamond
Prices start from $499 USDSave up to $880 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
$499 USD