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Emerald|Natural|GIA

0.30ct J SI1 Emerald Natural Diamond

EX • J/SI1 • GIA 1539891242

Certificate GIA 1539891242

Diamond specifications and retailer prices

From $333 AUD
$234 USD
As of November 1, 2026
Save $441 AUD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $774 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.3ct natural emerald diamond

This 0.3ct natural emerald sits in the sub-half-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 1539891242. Listed at 15 retailers as of October 29, 2026, with prices from $333 to $774, a $441 spread on the same certified stone. MOH London lists it at $774. 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

0.30
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539891242
Dimensions4.81 × 3.14 × 2.03 mm
L/W Ratio1.53
Key to symbols
Feather
Top View
4.81 mm3.14 mm0.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1539891242
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.7%

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: $774 AUD|Low: $372 AUD|High: $779 AUD|Avg: $577 AUD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7$372 AUD
Retailer 2$516 AUD
Retailer 4$516 AUD
Retailer 8$565 AUD
Retailer 6$566 AUD
Retailer 3$664 AUD
Retailer 5$676 AUD
MOH London$774 AUD

39 data points across 8 retailers

15 retailers$333 AUD to $774 AUD

A
Cheapest Retailer
-
$333 AUD
$234 USD
B+
Retailer 2
-
$355 AUD
SGD 337 SGD
View
B+
Retailer 3
-
$359 AUD
$252 USD
View
B+
Retailer 4
-
$372 AUD
$261 USD
View
B+
Retailer 5
-
$384 AUD
$270 USD
View
B
Retailer 6
-
$448 AUD
$315 USD
View
B
Retailer 7
-
$516 AUD
£285 GBP
View
B
Retailer 8
-
$516 AUD
ZAR 5,860 ZAR
View
B
Retailer 9
-
$518 AUD
$364 USD
View
B
Retailer 10
-
$565 AUD
$397 USD
View
Retailer 11
-
$566 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$664 AUD
€444 EUR
View
B
Retailer 13
-
$676 AUD
£374 GBP
View
Most Expensive
B
MOH London
21C68532F · Oct 29
$774 AUD
£428 GBP
View
13 more retailers have this diamond
Prices start from $333 AUDSave up to $441 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
0.30ct Emerald
$333 AUD