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1.74ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG691548293

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691548293

Diamond specifications and retailer prices

From £317 GBP
$422 USD
As of October 29, 2026
Save £616 GBP (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £933 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.74ct lab-grown round diamond

This 1.74ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG691548293 or 691548293. Listed at 7 retailers as of October 29, 2026, with prices from £317 to £933, a £616 spread on the same certified stone. MOH London lists it at £933. 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

1.74
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691548293
Dimensions7.71 × 7.67 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm7.67 mm1.74 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691548293
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

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: £933 GBP|Low: £317 GBP|High: £939 GBP|Avg: £500 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6£317 GBP
Retailer 4£357 GBP
Retailer 5£406 GBP
Retailer 2£439 GBP
Retailer 3£620 GBP
MOH London£933 GBP

39 data points across 6 retailers

7 retailers£317 GBP to £933 GBP

A
Cheapest Retailer
-
£317 GBP
$422 USD
B+
Retailer 2
-
£357 GBP
$475 USD
View
A
Retailer 3
-
£406 GBP
$541 USD
View
A
Retailer 4
-
£439 GBP
View
Retailer 5
-
£620 GBP
$825 USD
View
Price last confirmed 8 days ago
Retailer 6
-
£638 GBP
$850 USD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG691548293 · Oct 29
£933 GBP
View
6 more retailers have this diamond
Prices start from £317 GBPSave up to £616 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
1.74ct Round
£317 GBP