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Emerald|Lab Grown

1.51ct F SI1 Emerald Lab Grown Diamond

VG • F/SI1 • 0931C81E54

Diamond specifications and retailer prices

From £216 GBP
As of November 6, 2026
Save £644 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £860 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade. Listed at 4 retailers as of November 6, 2026, with prices from £216 to £860, a £644 spread on the same certified stone. NZ Jewellers lists it at £860. 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

1.51
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate0931C81E54
Dimensions7.76 × 5.35 × 3.53 mm
L/W Ratio1.45
Top View
7.76 mm5.35 mm1.51 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Certificate0931C81E54
Side View
Table 64.7%CrownGirdlePavilionCulet: NoneDepth 66.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £860 GBP|Low: £207 GBP|High: £860 GBP|Avg: £351 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 11, 2026
Retailer 2£216 GBP
Retailer 4£250 GBP
Retailer 3£267 GBP
NZ Jewellers£860 GBP

8 data points across 4 retailers

4 retailers£216 GBP to £860 GBP

B+
Cheapest Retailer
-
£216 GBP
B+
Retailer 2
-
£250 GBP
View
B+
Retailer 3
-
£267 GBP
View
Most Expensive
C
NZ Jewellers
ae90a5f0-19cb-41a9-94a0-d401e3bd02d1 · Nov 6
£860 GBP
$1,158 USD
View
3 more retailers have this diamond
Prices start from £216 GBPSave up to £644 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+
1.51ct Emerald
£216 GBP