CaratHunter
Plans
Oval|Lab Grown|IGI

1.75ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG848621329

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG848621329

Diamond specifications and retailer prices

From £404 GBP
As of October 29, 2026
Save £580 GBP (59%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £984 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.75ct lab-grown oval diamond

This 1.75ct 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 top-tier cut grade and certified by IGI LG848621329 or 848621329. Listed at 2 retailers as of October 28, 2026, with prices from £404 to £984, a £580 spread on the same certified stone. Brilliant Earth lists it at £984. 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 angle37.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848621329
Dimensions9.71 × 6.63 × 4.18 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.71 mm6.63 mm1.75 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848621329
Side View
Table 62.0%Crown 37.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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: £404 GBP|Low: £403 GBP|High: £404 GBP|Avg: £403 GBP|+0.3%
October 29, 2026
Retailer 1£404 GBP

3 data points across 1 retailer

2 retailers£404 GBP to £984 GBP

A
Cheapest Retailer
-
£404 GBP
Most Expensive
B
Brilliant Earth
22320894A · Oct 28
£984 GBP
$1,310 USD
View
1 more retailer has this diamond
Prices start from £404 GBPSave up to £580 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 Oval
£404 GBP