CaratHunter
Plans
Emerald|Natural|GIA

0.51ct J SI1 Emerald Natural Diamond

VG • J/SI1 • GIA 5553754078

Certificate GIA 5553754078

Diamond specifications and retailer prices

From $718 NZD
$404 USD
As of November 2, 2026
Save $1,081 NZD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,988 NZD at NZ Jewellers · As of November 2, 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 November 2, 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
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: $2,988 NZD|Low: $672 NZD|High: $3,112 NZD|Avg: $1,200 NZD|-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$718 NZD
Retailer 14$778 NZD
Retailer 6$835 NZD
Retailer 4$839 NZD
Retailer 11$839 NZD
Retailer 7$896 NZD
Retailer 13$899 NZD
Retailer 8$968 NZD
Retailer 3$1,109 NZD
Retailer 12$1,146 NZD
Retailer 10$1,183 NZD
Retailer 9$1,203 NZD
Retailer 5$1,273 NZD
Retailer 2$1,799 NZD
NZ Jewellers$2,988 NZD

41 data points across 15 retailers

14 retailers$718 NZD to $1,799 NZD

A
Cheapest Retailer
-
$718 NZD
$404 USD
Final sale: no returns
A
Retailer 2
-
$778 NZD
$438 USD
View
B+
Retailer 3
-
$835 NZD
$470 USD
View
B+
Retailer 4
-
$839 NZD
$472 USD
View
B+
Retailer 5
-
$839 NZD
$472 USD
View
B+
Retailer 6
-
$899 NZD
$506 USD
View
B+
Retailer 7
-
$968 NZD
£429 GBP
View
B
Retailer 8
-
$1,109 NZD
$624 USD
View
B
Retailer 9
-
$1,146 NZD
$645 USD
View
B
Retailer 10
-
$1,183 NZD
€634 EUR
View
B
Retailer 11
-
$1,203 NZD
ZAR 10,933 ZAR
View
Retailer 12
-
$1,273 NZD
A$1,102 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$1,799 NZD
£797 GBP
View
Most Expensive
NZ Jewellers
1f53f992-ac9d-4077-9288-361d16a54932 · Nov 2
$2,988 NZD
$1,681 USD
View
Price under review
13 more retailers have this diamond
Prices start from $718 NZDSave up to $1,081 NZD

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
$718 NZD