Emerald|Natural|GIA

0.30ct J SI1 Emerald Natural Diamond

EX • J/SI1 • GIA 1539891242

Certificate GIA 1539891242

Diamond specifications and retailer prices

From $415 NZD
$234 USD
As of November 1, 2026
Save $549 NZD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $964 NZD 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 $415 to $964, a $549 spread on the same certified stone. MOH London lists it at $964. 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: $964 NZD|Low: $463 NZD|High: $971 NZD|Avg: $721 NZD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 7$463 NZD
Retailer 3$643 NZD
Retailer 5$644 NZD
Retailer 8$704 NZD
Retailer 6$706 NZD
Retailer 4$827 NZD
Retailer 2$840 NZD
MOH London$964 NZD

40 data points across 8 retailers

15 retailers$415 NZD to $964 NZD

A
Cheapest Retailer
-
$415 NZD
$234 USD
B+
Retailer 2
-
$442 NZD
SGD 337 SGD
View
B+
Retailer 3
-
$447 NZD
$252 USD
View
B+
Retailer 4
-
$463 NZD
$261 USD
View
B+
Retailer 5
-
$479 NZD
$270 USD
View
B
Retailer 6
-
$559 NZD
$315 USD
View
B
Retailer 7
-
$643 NZD
£285 GBP
View
B
Retailer 8
-
$644 NZD
ZAR 5,860 ZAR
View
B
Retailer 9
-
$646 NZD
$364 USD
View
B
Retailer 10
-
$704 NZD
$397 USD
View
Retailer 11
-
$706 NZD
A$612 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$827 NZD
€444 EUR
View
B
Retailer 13
-
$840 NZD
£373 GBP
View
Most Expensive
B
MOH London
21C68532F · Oct 29
$964 NZD
£428 GBP
View
13 more retailers have this diamond
Prices start from $415 NZDSave up to $549 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
0.30ct Emerald
$415 NZD