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Emerald|Lab Grown|IGI

0.91ct J SI1 Emerald Lab Grown Diamond

VG • J/SI1 • IGI LG407936489

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407936489

Diamond specifications and retailer prices

From £473 GBP
$630 USD
As of October 29, 2026
Save £1,891 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,364 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown emerald diamond

This 0.91ct lab-grown emerald sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG407936489 or 407936489. Listed at 10 retailers as of October 29, 2026, with prices from £473 to £2,364, a £1,891 spread on the same certified stone. MOH London lists it at £2,364. 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

0.91
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle28.8°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407936489
Dimensions6.61 × 4.54 × 2.85 mm
L/W Ratio1.46
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.61 mm4.54 mm0.91 ctJ / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407936489
Side View
Table 67.5%Crown 28.8°Girdle: MED-STKPavilion 33.4°Culet: LNGDepth 62.8%

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: £2,364 GBP|Low: £473 GBP|High: £2,571 GBP|Avg: £1,023 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 8£473 GBP
Retailer 7£516 GBP
Retailer 13£562 GBP
Retailer 14£577 GBP
Retailer 6£592 GBP
Retailer 9£598 GBP
Retailer 12£598 GBP
Retailer 3£732 GBP
Retailer 4£947 GBP
Retailer 10£974 GBP
Retailer 2£1,475 GBP
Retailer 11£1,684 GBP
MOH London£2,364 GBP
Retailer 5£2,571 GBP

19 data points across 14 retailers

10 retailers£473 GBP to £2,364 GBP

B+
Cheapest Retailer
-
£473 GBP
$630 USD
B+
Retailer 2
-
£516 GBP
$687 USD
View
B
Retailer 3
-
£562 GBP
$748 USD
View
B
Retailer 4
-
£577 GBP
$769 USD
View
Final sale: no returns
B
Retailer 5
-
£598 GBP
$797 USD
View
Retailer 6
-
£598 GBP
$797 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
£974 GBP
$1,297 USD
View
C
Retailer 8
-
£1,475 GBP
$1,964 USD
View
C
Retailer 9
-
£1,684 GBP
$2,242 USD
View
Most Expensive
C
MOH London
LG407936489 · Oct 29
£2,364 GBP
View
9 more retailers have this diamond
Prices start from £473 GBPSave up to £1,891 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+
0.91ct Emerald
£473 GBP