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Emerald|Natural|GIA

0.51ct G SI1 Emerald Natural Diamond

EX • G/SI1 • GIA 2517340895

Certificate GIA 2517340895

Diamond specifications and retailer prices

From $729 NZD
$411 USD
As of November 1, 2026
Save $326 NZD (31%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,056 NZD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2517340895. Listed at 7 retailers as of November 1, 2026, with prices from $729 to $1,056, a $326 spread on the same certified stone. 77 Diamonds lists it at $1,056. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2517340895
Dimensions5.22 × 3.84 × 2.63 mm
L/W Ratio1.36
Top View
5.22 mm3.84 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2517340895
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: 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 1
Current: $1,056 NZD|Low: $660 NZD|High: $1,313 NZD|Avg: $992 NZD|-0.7%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5$729 NZD
Retailer 3$761 NZD
Retailer 2$781 NZD
Retailer 6$818 NZD
Retailer 4$914 NZD
Retailer 7$932 NZD
77 Diamonds$1,056 NZD
Retailer 8$1,277 NZD
Retailer 9$1,277 NZD
Retailer 10$1,313 NZD

40 data points across 10 retailers

7 retailers$729 NZD to $1,056 NZD

A
Cheapest Retailer
-
$729 NZD
$411 USD
A
Retailer 2
-
$761 NZD
$429 USD
View
Final sale: no returns
A
Retailer 3
-
$781 NZD
$440 USD
View
A
Retailer 4
-
$818 NZD
MYR 1,877 MYR
View
Retailer 5
-
$914 NZD
SGD 696 SGD
View
Price last confirmed 16 days ago
Retailer 6
-
$932 NZD
$525 USD
View
Price last confirmed 77 days ago
Most Expensive
B+
77 Diamonds
EMCPSFXYTUGB · Nov 1
$1,056 NZD
£468 GBP
View
6 more retailers have this diamond
Prices start from $729 NZDSave up to $326 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
$729 NZD