Emerald|Lab Grown
0.51ct E SI2 Emerald Lab Grown Diamond
E/SI2 • 197A1B3A0E
Diamond specifications and retailer prices
From $158 NZD
As of October 31, 2026
4 retailers carry this diamond
Most expensive: $548 NZD at NZ Jewellers · As of October 28, 2026
About this 0.51ct lab-grown emerald diamond
This 0.51ct lab-grown emerald sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included). Listed at 4 retailers as of October 31, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.
The 4Cs
0.51
Carat
E
Colour
SI2
Clarity
-
Cut
Specifications
Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate197A1B3A0E
Dimensions6.03 × 3.78 × 2.26 mm
L/W Ratio1.60
Top View
OriginLab Grown
PolishVery Good
SymmetryVery Good
FluorescenceNone
Certificate197A1B3A0E
Side View
Caratlytics Score
How it works →B+
Very Good
Strong quality and value balance
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4 retailers
Retailer 1
$137 NZD
Price last confirmed 8 days ago
B+
Retailer 2
$158 NZD
Retailer 3
$181 NZD
Price last confirmed 8 days ago
3 more retailers have this diamond
Prices start from $158 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.