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Emerald|Lab Grown|UNKNOWN

0.51ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • UNKNOWN 64342453

Certificate UNKNOWN 64342453

Diamond specifications and retailer prices

From $235 CAD
$167 USD
As of October 27, 2026
Save $698 CAD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $933 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.51ct lab-grown emerald diamond

This 0.51ct lab-grown emerald sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 64342453. Listed at 5 retailers as of October 27, 2026, with prices from $235 to $933, a $698 spread on the same certified stone. NZ Jewellers lists it at $933. 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

0.51
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 64342453
Dimensions5.67 × 3.72 × 2.39 mm
L/W Ratio1.52
Top View
5.67 mm3.72 mm0.51 ctH / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 64342453
Side View
Table 64.7%CrownGirdlePavilionCuletDepth 64.2%

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 27
Current: $933 CAD|Low: $225 CAD|High: $933 CAD|Avg: $419 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2$235 CAD
Retailer 5$271 CAD
Retailer 3$291 CAD
Retailer 4$521 CAD
NZ Jewellers$933 CAD

8 data points across 5 retailers

5 retailers$235 CAD to $933 CAD

A
Cheapest Retailer
-
$235 CAD
$167 USD
B+
Retailer 2
-
$271 CAD
$193 USD
View
B+
Retailer 3
-
$291 CAD
$207 USD
View
B
Retailer 4
-
$521 CAD
$371 USD
View
Most Expensive
C
NZ Jewellers
8f3b0757-3c1e-4fcd-8619-9208084ba563 · Oct 28
$933 CAD
$664 USD
View
4 more retailers have this diamond
Prices start from $235 CADSave up to $698 CAD

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
0.51ct Emerald
$235 CAD