Emerald|Natural|GIA

0.30ct J SI1 Emerald Natural Diamond

EX • J/SI1 • GIA 1539891242

Certificate GIA 1539891242

Diamond specifications and retailer prices

From $234 USD
As of October 29, 2026
Save $310 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $544 USD 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 $234 to $544, a $310 spread on the same certified stone. MOH London lists it at $544. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $544 USD|Low: $261 USD|High: $547 USD|Avg: $405 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7$261 USD
Retailer 2$362 USD
Retailer 4$363 USD
Retailer 8$397 USD
Retailer 6$398 USD
Retailer 3$466 USD
Retailer 5$475 USD
MOH London$544 USD

39 data points across 8 retailers

15 retailers$234 USD to $544 USD

A
Cheapest Retailer
-
$234 USD
B+
Retailer 2
-
$249 USD
SGD 337 SGD
View
B+
Retailer 3
-
$252 USD
View
B+
Retailer 4
-
$261 USD
View
B+
Retailer 5
-
$270 USD
View
B
Retailer 6
-
$315 USD
View
B
Retailer 7
-
$362 USD
£285 GBP
View
B
Retailer 8
-
$363 USD
ZAR 5,860 ZAR
View
B
Retailer 9
-
$364 USD
View
B
Retailer 10
-
$397 USD
View
Retailer 11
-
$398 USD
A$612 AUD
View
Price last confirmed 27 days ago
B
Retailer 12
-
$466 USD
€444 EUR
View
B
Retailer 13
-
$475 USD
£374 GBP
View
Most Expensive
B
MOH London
21C68532F · Oct 29
$544 USD
£428 GBP
View
13 more retailers have this diamond
Prices start from $234 USDSave up to $310 USD

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
$234 USD