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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 $213 SGD
$167 USD
As of October 29, 2026
Save $635 SGD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $849 SGD at NZ Jewellers · As of October 31, 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 29, 2026, with prices from $213 to $849, a $635 spread on the same certified stone. NZ Jewellers lists it at $849. 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
Colour
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 29
Current: $849 SGD|Low: $205 SGD|High: $849 SGD|Avg: $381 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2$213 SGD
Retailer 5$247 SGD
Retailer 3$265 SGD
Retailer 4$474 SGD
NZ Jewellers$849 SGD

8 data points across 5 retailers

5 retailers$213 SGD to $849 SGD

A
Cheapest Retailer
-
$213 SGD
$167 USD
B+
Retailer 2
-
$247 SGD
$193 USD
View
B+
Retailer 3
-
$265 SGD
$207 USD
View
B
Retailer 4
-
$474 SGD
$371 USD
View
Most Expensive
C
NZ Jewellers
8f3b0757-3c1e-4fcd-8619-9208084ba563 · Oct 31
$849 SGD
$664 USD
View
4 more retailers have this diamond
Prices start from $213 SGDSave up to $635 SGD

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
$213 SGD