CaratHunter
Plans
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 $608 AUD
$427 USD
As of October 29, 2026
Save $1,162 AUD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,770 AUD 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 $608 to $1,770, a $1,162 spread on the same certified stone. MOH London lists it at $1,770. 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

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: $1,770 AUD|Low: $608 AUD|High: $1,790 AUD|Avg: $938 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$608 AUD
Retailer 4$679 AUD
Retailer 5$773 AUD
Retailer 2$837 AUD
Retailer 3$1,174 AUD
MOH London$1,770 AUD

39 data points across 6 retailers

7 retailers$608 AUD to $1,770 AUD

A
Cheapest Retailer
-
$608 AUD
$427 USD
B+
Retailer 2
-
$679 AUD
$477 USD
View
A
Retailer 3
-
$773 AUD
$543 USD
View
A
Retailer 4
-
$837 AUD
£463 GBP
View
B+
Retailer 5
-
$1,174 AUD
$825 USD
View
Retailer 6
-
$1,224 AUD
$860 USD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG691547802 · Oct 25
$1,770 AUD
£979 GBP
View
6 more retailers have this diamond
Prices start from $608 AUDSave up to $1,162 AUD

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
$608 AUD