Emerald|Natural|GIA

0.51ct E SI1 Emerald Natural Diamond

EX • E/SI1 • GIA 2566017480

Certificate GIA 2566017480

Diamond specifications and retailer prices

From $1,173 NZD

$659 USD

As of October 23, 2026

16 retailers carry this diamond

Most expensive: $3,549 NZD at NZ Jewellers · As of October 20, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566017480. Listed at 16 retailers as of October 23, 2026. 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

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 2566017480

Dimensions5.57 × 3.72 × 2.46 mm

L/W Ratio1.50

Girdle conditionPolished

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 2566017480

Side View

Caratlytics Score

How it works →

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: Oct 23

Current: $3,549 NZD|Low: $764 NZD|High: $3,654 NZD|Avg: $1,566 NZD|-2.9%

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

October 23, 2026

Retailer 7$934 NZD

Retailer 11$1,033 NZD

Retailer 12$1,127 NZD

Retailer 10$1,136 NZD

Retailer 5$1,154 NZD

Retailer 16$1,173 NZD

Retailer 14$1,184 NZD

Retailer 13$1,373 NZD

Retailer 9$1,451 NZD

Retailer 6$1,514 NZD

Retailer 2$1,580 NZD

Retailer 3$1,651 NZD

Retailer 15$1,727 NZD

Retailer 8$1,752 NZD

Retailer 4$2,628 NZD

NZ Jewellers$3,549 NZD

20 data points across 16 retailers

16 retailers

Retailer 1

$934 NZD

HK$4,100 HKD

Price last confirmed 7 days ago

Retailer 2

$1,127 NZD

$633 USD

View

Price last confirmed 8 days ago

Retailer 3

$1,136 NZD

€608 EUR

View

Price last confirmed 7 days ago

Retailer 4

$1,154 NZD

SGD 876 SGD

View

Price last confirmed 9 days ago

Retailer 5

$1,173 NZD

$659 USD

View

Retailer 6

$1,184 NZD

£523 GBP

View

Price last confirmed 8 days ago

Retailer 7

$1,373 NZD

£607 GBP

View

Price last confirmed 8 days ago

Retailer 8

$1,451 NZD

$815 USD

View

Price last confirmed 6 days ago

Retailer 9

$1,514 NZD

$850 USD

View

Price last confirmed 9 days ago

Retailer 10

$1,532 NZD

£677 GBP

View

Price last confirmed 33 days ago

Retailer 11

$1,580 NZD

€845 EUR

View

Price last confirmed 7 days ago

Retailer 12

$1,651 NZD

$927 USD

View

Price last confirmed 8 days ago

Retailer 13

$1,727 NZD

ZAR 15,670 ZAR

View

Price last confirmed 8 days ago

Retailer 14

$1,752 NZD

A$1,513 AUD

View

Price last confirmed 25 days ago

Retailer 15

$2,628 NZD

£1,162 GBP

View

Price last confirmed 11 days ago

Most Expensive

NZ Jewellers

0935f67e-5a7e-4757-bb0e-c6b24f30efcd · Oct 20

$3,549 NZD

$1,993 USD

View

Price under review

15 more retailers have this diamond

Prices start from $1,173 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.

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