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Emerald|Natural|GIA

1.51ct J SI1 Emerald Natural Diamond

EX • J/SI1 • GIA 1519804888

Certificate GIA 1519804888

Diamond specifications and retailer prices

From $4,265 AUD
£2,359 GBP
As of November 1, 2026
Save $3,458 AUD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,723 AUD at NZ Jewellers · As of October 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 J 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 1519804888. Listed at 8 retailers as of October 30, 2026, with prices from $4,265 to $7,723, a $3,458 spread on the same certified stone. NZ Jewellers lists it at $7,723. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.72°
Pavilion angle56.06°
OriginNatural
Grading LabGIA
CertificateGIA 1519804888
Dimensions7.44 × 5.52 × 3.79 mm
L/W Ratio1.35
Girdle conditionSlightly Thick
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.44 mm5.52 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1519804888
Side View
Table 67.0%Crown 49.72°Girdle: MED-STKPavilion 56.06°Culet: NoneDepth 68.7%

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 1
Current: $7,723 AUD|Low: $4,265 AUD|High: $8,028 AUD|Avg: $5,373 AUD|-3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$4,265 AUD
Retailer 5$4,306 AUD
Retailer 10$4,322 AUD
Retailer 8$4,433 AUD
Retailer 7$4,604 AUD
Retailer 6$4,645 AUD
Retailer 9$4,935 AUD
Retailer 3$5,155 AUD
Retailer 11$5,410 AUD
Retailer 4$7,413 AUD
NZ Jewellers$7,723 AUD

37 data points across 11 retailers

8 retailers$4,265 AUD to $7,723 AUD

A
Cheapest Retailer
-
$4,265 AUD
£2,359 GBP
A
Retailer 2
-
$4,306 AUD
$3,025 USD
View
A
Retailer 3
-
$4,433 AUD
$3,114 USD
View
A
Retailer 4
-
$4,604 AUD
$3,234 USD
View
A
Retailer 5
-
$4,645 AUD
$3,263 USD
View
Retailer 6
-
$4,935 AUD
View
Price last confirmed 28 days ago
B
Retailer 7
-
$7,413 AUD
£4,100 GBP
View
Most Expensive
B
NZ Jewellers
312909ef-3e27-4404-b46e-190378d33f60 · Oct 30
$7,723 AUD
$5,425 USD
View
7 more retailers have this diamond
Prices start from $4,265 AUDSave up to $3,458 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.

A
1.51ct Emerald
$4,265 AUD