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1.75ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG691547802

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691547802

Diamond specifications and retailer prices

From £321 GBP
$427 USD
As of October 29, 2026
Save £613 GBP (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £934 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.75ct lab-grown round diamond

This 1.75ct 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 LG691547802 or 691547802. Listed at 7 retailers as of October 25, 2026, with prices from £321 to £934, a £613 spread on the same certified stone. MOH London lists it at £934. 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

1.75
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691547802
Dimensions7.84 × 7.79 × 4.75 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
7.84 mm7.79 mm1.75 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691547802
Side View
Table 57.0%Crown 32.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.7%

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: £934 GBP|Low: £321 GBP|High: £944 GBP|Avg: £494 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6£321 GBP
Retailer 4£358 GBP
Retailer 5£408 GBP
Retailer 2£440 GBP
Retailer 3£620 GBP
MOH London£934 GBP

38 data points across 6 retailers

7 retailers£321 GBP to £934 GBP

A
Cheapest Retailer
-
£321 GBP
$427 USD
B+
Retailer 2
-
£358 GBP
$477 USD
View
A
Retailer 3
-
£408 GBP
$543 USD
View
A
Retailer 4
-
£440 GBP
View
B+
Retailer 5
-
£620 GBP
$825 USD
View
Retailer 6
-
£646 GBP
$860 USD
View
Price last confirmed 24 days ago
Most Expensive
B
MOH London
LG691547802 · Oct 25
£934 GBP
View
6 more retailers have this diamond
Prices start from £321 GBPSave up to £613 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
1.75ct Round
£321 GBP