Emerald|Lab Grown|UNKNOWN

0.30ct I SI2 Emerald Lab Grown Diamond

ID • I/SI2 • UNKNOWN 27127127

Certificate UNKNOWN 27127127

Diamond specifications and retailer prices

From $110 USD
As of October 27, 2026
Save $327 USD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $437 USD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.3ct lab-grown emerald diamond

This 0.3ct lab-grown emerald sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 27127127. Listed at 5 retailers as of October 27, 2026, with prices from $110 to $437, a $327 spread on the same certified stone. NZ Jewellers lists it at $437. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 27127127
Dimensions4.33 × 3.04 × 2.26 mm
L/W Ratio1.42
Top View
4.33 mm3.04 mm0.30 ctI / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateUNKNOWN 27127127
Side View
Table 68.0%CrownGirdlePavilionCuletDepth 74.4%

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: $437 USD|Low: $105 USD|High: $437 USD|Avg: $204 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2$110 USD
Retailer 5$127 USD
Retailer 3$145 USD
Retailer 4$271 USD
NZ Jewellers$437 USD

8 data points across 5 retailers

5 retailers$110 USD to $437 USD

B+
Cheapest Retailer
-
$110 USD
B+
Retailer 2
-
$127 USD
View
B+
Retailer 3
-
$145 USD
View
C
Retailer 4
-
$271 USD
View
Most Expensive
C
NZ Jewellers
f29efdd7-f0c9-45ef-9eec-d861474097bf · Oct 28
$437 USD
View
4 more retailers have this diamond
Prices start from $110 USDSave up to $327 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.

B+
0.30ct Emerald
$110 USD