Emerald|Natural|GIA

1.51ct E SI1 Emerald Natural Diamond

EX • E/SI1 • GIA 1423559794

Certificate GIA 1423559794

Diamond specifications and retailer prices

From $14,497 AUD
CA$14,146 CAD
As of October 27, 2026
Save $3,808 AUD (21%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $26,777 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.51ct natural emerald diamond

This 1.51ct natural emerald sits in the one-and-a-half to two 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 1423559794. Listed at 18 retailers as of October 27, 2026, with a 26% 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

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1423559794
Dimensions7.72 × 5.65 × 3.70 mm
L/W Ratio1.37
Top View
7.72 mm5.65 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1423559794
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 65.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $16,920 AUD|Low: $13,958 AUD|High: $25,393 AUD|Avg: $17,595 AUD|+0.8%
Retailer 1
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
Retailer 17
October 9, 2026
Retailer 8$13,958 AUD
Retailer 9$14,088 AUD
Retailer 7$14,726 AUD
Retailer 6$14,906 AUD
Retailer 11$15,536 AUD
Retailer 4$15,842 AUD
Retailer 1$16,920 AUD
Retailer 5$17,143 AUD
Retailer 14$17,639 AUD
Retailer 3$17,721 AUD
Retailer 16$17,721 AUD
Retailer 10$17,762 AUD
Retailer 15$18,305 AUD
Retailer 13$20,069 AUD
Retailer 2$21,133 AUD
Retailer 17$23,164 AUD
Retailer 12$25,326 AUD

23 data points across 17 retailers

18 retailers$14,497 AUD to $18,305 AUD

B+
Retailer 1
-
$14,088 AUD
$9,898 USD
Price last confirmed 94 days ago
B+
Retailer 2
-
$14,497 AUD
CA$14,146 CAD
View
B+
Retailer 3
-
$14,906 AUD
$10,472 USD
View
Price last confirmed 24 days ago
B+
Retailer 4
-
$15,536 AUD
$10,915 USD
View
B
Retailer 5
-
$16,066 AUD
$11,287 USD
View
Price last confirmed 21 days ago
B
Retailer 6
-
$16,920 AUD
$11,887 USD
View
B
Retailer 7
-
$17,143 AUD
$12,044 USD
View
Price last confirmed 22 days ago
B
Retailer 8
-
$17,405 AUD
$12,228 USD
View
Price last confirmed 21 days ago
B
Retailer 9
-
$17,639 AUD
View
Price last confirmed 25 days ago
B
Retailer 10
-
$17,673 AUD
$12,416 USD
View
Price last confirmed 29 days ago
B
Retailer 11
-
$17,721 AUD
$12,450 USD
View
B
Retailer 12
-
$17,721 AUD
$12,450 USD
View
B
Retailer 13
-
$18,305 AUD
$12,860 USD
View
B
Retailer 14
-
$20,083 AUD
$14,109 USD
View
Price last confirmed 29 days ago
B
Retailer 15
-
$21,133 AUD
$14,847 USD
View
Price last confirmed 21 days ago
B
Retailer 16
-
$23,164 AUD
ZAR 262,908 ZAR
View
Price last confirmed 28 days ago
B
Retailer 17
-
$25,326 AUD
£14,010 GBP
View
Price last confirmed 21 days ago
Most Expensive
B
NZ Jewellers
d7c78f3e-4fb0-44a1-a0c8-1c2bebf78602 · Sep 30
$26,777 AUD
$18,812 USD
View
Price last confirmed 29 days ago
17 more retailers have this diamond
Prices start from $14,497 AUDSave up to $3,808 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.

B+
1.51ct Emerald
$14,497 AUD