Emerald|Lab Grown|UNKNOWN

0.87ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • UNKNOWN 51331331

Certificate UNKNOWN 51331331

Diamond specifications and retailer prices

From £217 GBP
$291 USD
As of October 29, 2026
Save £649 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £866 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.87ct lab-grown emerald diamond

This 0.87ct lab-grown emerald sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 51331331. Listed at 5 retailers as of October 28, 2026, with prices from £217 to £866, a £649 spread on the same certified stone. NZ Jewellers lists it at £866. 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

0.87
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 51331331
Dimensions6.61 × 4.72 × 2.89 mm
L/W Ratio1.40
Top View
6.61 mm4.72 mm0.87 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 51331331
Side View
Table 67.6%CrownGirdlePavilionCuletDepth 61.3%

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: Oct 29
Current: £866 GBP|Low: £208 GBP|High: £866 GBP|Avg: £381 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2£217 GBP
Retailer 5£252 GBP
Retailer 3£269 GBP
Retailer 4£443 GBP
NZ Jewellers£866 GBP

8 data points across 5 retailers

5 retailers£217 GBP to £866 GBP

A
Cheapest Retailer
-
£217 GBP
$291 USD
B+
Retailer 2
-
£252 GBP
$337 USD
View
B+
Retailer 3
-
£269 GBP
$361 USD
View
B+
Retailer 4
-
£443 GBP
$593 USD
View
Most Expensive
B
NZ Jewellers
dcf47648-ffc4-4ecc-9387-7df7ea818c13 · Oct 28
£866 GBP
$1,160 USD
View
4 more retailers have this diamond
Prices start from £217 GBPSave up to £649 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
0.87ct Emerald
£217 GBP