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Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

VG • F/SI1 • GIA 2231146918

Certificate GIA 2231146918

Diamond specifications and retailer prices

From $713 AUD
As of November 4, 2026
Save $1,257 AUD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,678 AUD 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,678 AUD|Low: $713 AUD|High: $2,678 AUD|Avg: $1,159 AUD
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$713 AUD
Retailer 8$736 AUD
Retailer 3$774 AUD
Retailer 15$833 AUD
Retailer 17$833 AUD
Retailer 7$893 AUD
Retailer 6$936 AUD
Retailer 5$986 AUD
Retailer 16$986 AUD
Retailer 4$1,029 AUD
Retailer 11$1,039 AUD
Retailer 14$1,057 AUD
Retailer 10$1,130 AUD
Retailer 2$1,193 AUD
Retailer 9$1,314 AUD
Retailer 12$1,317 AUD
Retailer 13$1,970 AUD
NZ Jewellers$2,678 AUD

46 data points across 18 retailers

18 retailers$713 AUD to $1,970 AUD

A
Cheapest Retailer
-
$713 AUD
Final sale: no returns
A
Retailer 2
-
$736 AUD
View
B+
Retailer 3
-
$774 AUD
View
Retailer 4
-
$833 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$833 AUD
View
B+
Retailer 6
-
$893 AUD
View
B+
Retailer 7
-
$936 AUD
View
B
Retailer 8
-
$986 AUD
View
B
Retailer 9
-
$986 AUD
View
B
Retailer 10
-
$1,029 AUD
View
B
Retailer 11
-
$1,039 AUD
View
B
Retailer 12
-
$1,057 AUD
View
Retailer 13
-
$1,130 AUD
View
Price last confirmed 41 days ago
B
Retailer 14
-
$1,193 AUD
View
Retailer 15
-
$1,314 AUD
View
Price last confirmed 33 days ago
B
Retailer 16
-
$1,317 AUD
View
B
Retailer 17
-
$1,970 AUD
View
Most Expensive
NZ Jewellers
512fb3e4-be19-4846-bcc9-ccd5dd914726 · Nov 5
$2,678 AUD
$1,875 USD
View
Price under review
17 more retailers have this diamond
Prices start from $713 AUDSave up to $1,257 AUD

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
$713 AUD