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Round|Lab Grown|IGI

1.74ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG607368283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607368283

Diamond specifications and retailer prices

From £179 GBP
$239 USD
As of October 29, 2026
Save £715 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £895 GBP at MOH London · As of October 26, 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 LG607368283 or 607368283. Listed at 15 retailers as of October 26, 2026, with prices from £179 to £895, a £715 spread on the same certified stone. MOH London lists it at £895. 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 angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607368283
Dimensions7.76 × 7.73 × 4.73 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.76 mm7.73 mm1.74 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607368283
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.1%

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: £895 GBP|Low: £155 GBP|High: £904 GBP|Avg: £446 GBP|+15.9%
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
Retailer 15
October 29, 2026
Retailer 12£179 GBP
Retailer 10£209 GBP
Retailer 9£223 GBP
Retailer 15£223 GBP
Retailer 8£341 GBP
Retailer 5£377 GBP
Retailer 14£387 GBP
Retailer 4£412 GBP
Retailer 2£420 GBP
Retailer 3£475 GBP
Retailer 13£717 GBP
Retailer 11£719 GBP
Retailer 7£841 GBP
Retailer 6£846 GBP
MOH London£895 GBP

39 data points across 15 retailers

15 retailers£179 GBP to £895 GBP

A
Cheapest Retailer
-
£179 GBP
$239 USD
A
Retailer 2
-
£209 GBP
$278 USD
View
A
Retailer 3
-
£223 GBP
$297 USD
View
A
Retailer 4
-
£223 GBP
$297 USD
View
A
Retailer 5
-
£341 GBP
€433 EUR
View
B+
Retailer 6
-
£377 GBP
$502 USD
View
Retailer 7
-
£387 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
£412 GBP
$548 USD
View
B+
Retailer 9
-
£420 GBP
View
B+
Retailer 10
-
£475 GBP
$632 USD
View
B+
Retailer 11
-
£717 GBP
$955 USD
View
B
Retailer 12
-
£719 GBP
$958 USD
View
B
Retailer 13
-
£841 GBP
$1,120 USD
View
B
Retailer 14
-
£846 GBP
$1,126 USD
View
Most Expensive
B
MOH London
607368283 · Oct 26
£895 GBP
View
14 more retailers have this diamond
Prices start from £179 GBPSave up to £715 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
£179 GBP