Round|Lab Grown|IGI

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 €382 EUR
$427 USD
As of October 30, 2026
Save €144 EUR (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,113 EUR 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 30, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
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

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 30
Current: €1,113 EUR|Low: €382 EUR|High: €1,125 EUR|Avg: €594 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6€382 EUR
Retailer 4€427 EUR
Retailer 5€486 EUR
Retailer 2€527 EUR
Retailer 3€738 EUR
MOH London€1,113 EUR

38 data points across 6 retailers

7 retailers€382 EUR to €527 EUR

A
Cheapest Retailer
-
€382 EUR
$427 USD
B+
Retailer 2
-
€427 EUR
$477 USD
View
A
Retailer 3
-
€486 EUR
$543 USD
View
A
Retailer 4
-
€527 EUR
£463 GBP
View
Retailer 5
-
€738 EUR
$825 USD
View
Price last confirmed 7 days ago
Retailer 6
-
€770 EUR
$860 USD
View
Price last confirmed 26 days ago
Most Expensive
MOH London
LG691547802 · Oct 25
€1,113 EUR
£979 GBP
View
Price last confirmed 7 days ago
6 more retailers have this diamond
Prices start from €382 EURSave up to €144 EUR

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
€382 EUR