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Oval|Lab Grown|IGI

1.74ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG823657837

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG823657837

Diamond specifications and retailer prices

From £244 GBP
As of October 29, 2026
Save £739 GBP (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £984 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.74ct lab-grown oval diamond

This 1.74ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG823657837 or 823657837. Listed at 7 retailers as of October 29, 2026, with prices from £244 to £984, a £739 spread on the same certified stone. Brilliant Earth lists it at £984. 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

1.74
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823657837
Dimensions9.13 × 7.02 × 4.35 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.13 mm7.02 mm1.74 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823657837
Side View
Table 60.0%Crown 34.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: £348 GBP|Low: £243 GBP|High: £892 GBP|Avg: £465 GBP|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3£244 GBP
Retailer 5£328 GBP
Retailer 1£348 GBP
Retailer 6£433 GBP
Retailer 4£612 GBP
Retailer 2£892 GBP

6 data points across 6 retailers

7 retailers£244 GBP to £984 GBP

A
Cheapest Retailer
-
£244 GBP
B+
Retailer 2
-
£328 GBP
$437 USD
View
A
Retailer 3
-
£348 GBP
View
B+
Retailer 4
-
£433 GBP
$577 USD
View
B
Retailer 5
-
£612 GBP
$815 USD
View
B
Retailer 6
-
£892 GBP
View
Most Expensive
B
Brilliant Earth
22257670A · Oct 29
£984 GBP
$1,310 USD
View
6 more retailers have this diamond
Prices start from £244 GBPSave up to £739 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 Oval
£244 GBP