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Emerald|Natural|GIA

0.51ct J SI1 Emerald Natural Diamond

VG • J/SI1 • GIA 5553754078

Certificate GIA 5553754078

Diamond specifications and retailer prices

From $575 AUD
$404 USD
As of November 2, 2026
Save $875 AUD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,393 AUD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5553754078. Listed at 14 retailers as of October 29, 2026, with a 152% 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
J
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553754078
Dimensions5.43 × 3.85 × 2.60 mm
L/W Ratio1.41
Key to symbols
Feather, Crystal
Top View
5.43 mm3.85 mm0.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553754078
Side View
Table 63.0%CrownGirdlePavilionCulet: NDepth 67.5%

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 2
Current: $2,393 AUD|Low: $538 AUD|High: $2,493 AUD|Avg: $961 AUD|-4.0%
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
November 2, 2026
Retailer 15$575 AUD
Retailer 14$624 AUD
Retailer 6$669 AUD
Retailer 4$672 AUD
Retailer 11$672 AUD
Retailer 7$717 AUD
Retailer 13$720 AUD
Retailer 2$775 AUD
Retailer 3$888 AUD
Retailer 12$918 AUD
Retailer 10$948 AUD
Retailer 8$963 AUD
Retailer 5$1,020 AUD
Retailer 9$1,450 AUD
NZ Jewellers$2,393 AUD

41 data points across 15 retailers

14 retailers$575 AUD to $1,450 AUD

A
Cheapest Retailer
-
$575 AUD
$404 USD
Final sale: no returns
A
Retailer 2
-
$624 AUD
$438 USD
View
B+
Retailer 3
-
$669 AUD
$470 USD
View
B+
Retailer 4
-
$672 AUD
$472 USD
View
B+
Retailer 5
-
$672 AUD
$472 USD
View
B+
Retailer 6
-
$720 AUD
$506 USD
View
B+
Retailer 7
-
$775 AUD
£429 GBP
View
B
Retailer 8
-
$888 AUD
$624 USD
View
B
Retailer 9
-
$918 AUD
$645 USD
View
B
Retailer 10
-
$948 AUD
€634 EUR
View
B
Retailer 11
-
$963 AUD
ZAR 10,933 ZAR
View
Retailer 12
-
$1,020 AUD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$1,450 AUD
£802 GBP
View
Most Expensive
NZ Jewellers
1f53f992-ac9d-4077-9288-361d16a54932 · Oct 30
$2,393 AUD
$1,681 USD
View
Price under review
13 more retailers have this diamond
Prices start from $575 AUDSave up to $875 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
$575 AUD