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Emerald|Lab Grown

0.70ct J SI2 Emerald Lab Grown Diamond

EX • J/SI2 • LA17B-251-396

Diamond specifications and retailer prices

From £148 GBP
$197 USD
As of October 29, 2026
Save £442 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £590 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.7ct lab-grown emerald diamond

This 0.7ct lab-grown emerald sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade. Listed at 4 retailers as of October 28, 2026, with prices from £148 to £590, a £442 spread on the same certified stone. NZ Jewellers lists it at £590. 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

0.70
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateLA17B-251-396
Dimensions5.93 × 4.33 × 2.73 mm
L/W Ratio1.37
Top View
5.93 mm4.33 mm0.70 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateLA17B-251-396
Side View
Table 65.0%CrownGirdlePavilionCuletDepth 63.2%

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 29
Current: £590 GBP|Low: £142 GBP|High: £590 GBP|Avg: £244 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 11, 2026
Retailer 2£148 GBP
Retailer 4£172 GBP
Retailer 3£183 GBP
NZ Jewellers£590 GBP

7 data points across 4 retailers

4 retailers£148 GBP to £590 GBP

B+
Cheapest Retailer
-
£148 GBP
$197 USD
B+
Retailer 2
-
£172 GBP
$229 USD
View
B+
Retailer 3
-
£183 GBP
$244 USD
View
Most Expensive
C
NZ Jewellers
6d8a4b6e-9362-4c98-850c-c510a5a5aa54 · Oct 28
£590 GBP
$786 USD
View
3 more retailers have this diamond
Prices start from £148 GBPSave up to £442 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.

B+
0.70ct Emerald
£148 GBP