Emerald|Lab Grown|UNKNOWN

0.52ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • UNKNOWN 620084783

Certificate UNKNOWN 620084783

Diamond specifications and retailer prices

From £138 GBP
$185 USD
As of November 1, 2026
Save £413 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £551 GBP at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.52ct lab-grown emerald diamond

This 0.52ct lab-grown emerald sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 620084783. Listed at 5 retailers as of October 31, 2026, with prices from £138 to £551, a £413 spread on the same certified stone. NZ Jewellers lists it at £551. 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

0.52
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 620084783
Dimensions5.61 × 3.78 × 2.43 mm
L/W Ratio1.48
Top View
5.61 mm3.78 mm0.52 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 620084783
Side View
Table 65.8%CrownGirdlePavilionCuletDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £551 GBP|Low: £133 GBP|High: £551 GBP|Avg: £246 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2£138 GBP
Retailer 5£160 GBP
Retailer 3£172 GBP
Retailer 4£302 GBP
NZ Jewellers£551 GBP

8 data points across 5 retailers

5 retailers£138 GBP to £551 GBP

A
Cheapest Retailer
-
£138 GBP
$185 USD
B+
Retailer 2
-
£160 GBP
$215 USD
View
B+
Retailer 3
-
£172 GBP
$230 USD
View
B
Retailer 4
-
£302 GBP
$404 USD
View
Most Expensive
C
NZ Jewellers
a663a860-fc93-488a-b80b-6e6f30b5e9e7 · Oct 31
£551 GBP
$738 USD
View
4 more retailers have this diamond
Prices start from £138 GBPSave up to £413 GBP

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
0.52ct Emerald
£138 GBP