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Emerald|Natural|GIA

0.51ct D SI2 Emerald Natural Diamond

GD • D/SI2 • GIA 2477131149

Certificate GIA 2477131149

Diamond specifications and retailer prices

From $641 AUD
As of November 4, 2026
Save $966 AUD (60%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,667 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 D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2477131149. Listed at 18 retailers as of November 1, 2026, with a 151% 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
D
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2477131149
Dimensions4.82 × 3.98 × 2.72 mm
L/W Ratio1.21
Top View
4.82 mm3.98 mm0.51 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2477131149
Side View
Table 58.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.4%

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: $1,040 AUD|Low: $641 AUD|High: $1,624 AUD|Avg: $905 AUD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$641 AUD
Retailer 2$721 AUD
Retailer 9$749 AUD
Retailer 5$753 AUD
Retailer 10$770 AUD
Retailer 4$826 AUD
Retailer 3$860 AUD
Retailer 7$871 AUD
Retailer 1$1,040 AUD
Retailer 6$1,607 AUD

42 data points across 10 retailers

18 retailers$641 AUD to $1,607 AUD

A
Cheapest Retailer
-
$641 AUD
Final sale: no returns
A
Retailer 2
-
$696 AUD
View
Retailer 3
-
$696 AUD
View
Price last confirmed 42 days ago
B+
Retailer 4
-
$721 AUD
View
B+
Retailer 5
-
$749 AUD
View
Retailer 6
-
$749 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$753 AUD
View
Retailer 8
-
$803 AUD
View
Price last confirmed 66 days ago
B+
Retailer 9
-
$803 AUD
View
Retailer 10
-
$803 AUD
View
Price last confirmed 43 days ago
A
Retailer 11
-
$826 AUD
View
B+
Retailer 12
-
$860 AUD
View
B+
Retailer 13
-
$871 AUD
View
B+
Retailer 14
-
$1,040 AUD
View
B
Retailer 15
-
$1,607 AUD
View
Retailer 16
-
$2,667 AUD
View
Price under review
Retailer 17
-
$2,667 AUD
View
Price under review
Most Expensive
NZ Jewellers
1d6a3184-63f0-41f1-83c9-b6e2db102307 · Nov 5
$2,667 AUD
$1,867 USD
View
Price under review
17 more retailers have this diamond
Prices start from $641 AUDSave up to $966 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
$641 AUD