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Round|Lab Grown|IGI

1.34ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG763605133

Shape and cutting style on the report: Round brilliant

Certificate IGI LG763605133

Diamond specifications and retailer prices

From £137 GBP
$183 USD
As of October 29, 2026
Save £655 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £791 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.34ct lab-grown round diamond

This 1.34ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG763605133 or 763605133. Listed at 17 retailers as of October 26, 2026, with prices from £137 to £791, a £655 spread on the same certified stone. MOH London lists it at £791. 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

1.34
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763605133
Dimensions7.15 × 7.11 × 4.29 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.15 mm7.11 mm1.34 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG763605133
Side View
Table 59.0%Crown 35.9°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £791 GBP|Low: £131 GBP|High: £814 GBP|Avg: £332 GBP|-2.8%
MOH London
Retailer 2
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Retailer 11
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October 30, 2026
Retailer 14£137 GBP
Retailer 15£153 GBP
Retailer 5£158 GBP
Retailer 8£169 GBP
Retailer 16£169 GBP
Retailer 11£288 GBP
Retailer 6£298 GBP
Retailer 10£305 GBP
Retailer 9£330 GBP
Retailer 7£333 GBP
Retailer 3£357 GBP
Retailer 12£381 GBP
Retailer 13£442 GBP
Retailer 2£478 GBP
Retailer 4£543 GBP
MOH London£791 GBP

35 data points across 16 retailers

17 retailers£137 GBP to £791 GBP

A
Cheapest Retailer
-
£137 GBP
$183 USD
A
Retailer 2
-
£153 GBP
$205 USD
View
Final sale: no returns
A
Retailer 3
-
£158 GBP
$212 USD
View
A
Retailer 4
-
£169 GBP
$227 USD
View
A
Retailer 5
-
£169 GBP
$227 USD
View
A
Retailer 6
-
£288 GBP
€367 EUR
View
B+
Retailer 7
-
£298 GBP
$399 USD
View
A
Retailer 8
-
£305 GBP
View
A
Retailer 9
-
£330 GBP
View
B+
Retailer 10
-
£333 GBP
$446 USD
View
B+
Retailer 11
-
£357 GBP
$479 USD
View
B+
Retailer 12
-
£381 GBP
$510 USD
View
B
Retailer 13
-
£442 GBP
$592 USD
View
B
Retailer 14
-
£478 GBP
$640 USD
View
Retailer 15
-
£511 GBP
$685 USD
View
Price last confirmed 45 days ago
B
Retailer 16
-
£543 GBP
$728 USD
View
Most Expensive
B
MOH London
LG763605133 · Oct 26
£791 GBP
View
16 more retailers have this diamond
Prices start from £137 GBPSave up to £655 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
1.34ct Round
£137 GBP