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Emerald|Natural|GIA

0.51ct I SI2 Emerald Natural Diamond

EX • I/SI2 • GIA 7561550689

Certificate GIA 7561550689

Diamond specifications and retailer prices

From $649 NZD
$366 USD
As of October 31, 2026
Save $980 NZD (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,780 NZD 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7561550689. Listed at 8 retailers as of October 31, 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. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7561550689
Dimensions3.69 × 5.73 × 2.41 mm
L/W Ratio1.55
Top View
3.69 mm5.73 mm0.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7561550689
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 65.5%

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: Oct 31
Current: $2,780 NZD|Low: $649 NZD|High: $2,850 NZD|Avg: $1,197 NZD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 7$649 NZD
Retailer 8$781 NZD
Retailer 3$842 NZD
Retailer 4$922 NZD
Retailer 2$937 NZD
Retailer 6$1,043 NZD
Retailer 5$1,629 NZD
NZ Jewellers$2,780 NZD

16 data points across 8 retailers

8 retailers$649 NZD to $1,629 NZD

A
Cheapest Retailer
-
$649 NZD
$366 USD
Final sale: no returns
A
Retailer 2
-
$781 NZD
$440 USD
View
A
Retailer 3
-
$842 NZD
£374 GBP
View
B+
Retailer 4
-
$922 NZD
£409 GBP
View
B+
Retailer 5
-
$937 NZD
$528 USD
View
B+
Retailer 6
-
$1,043 NZD
$588 USD
View
B
Retailer 7
-
$1,629 NZD
£723 GBP
View
Most Expensive
NZ Jewellers
babab87a-faa0-4ea9-bede-0fe1f2a6e4f5 · Oct 30
$2,780 NZD
$1,567 USD
View
Price under review
7 more retailers have this diamond
Prices start from $649 NZDSave up to $980 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
$649 NZD