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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 $427 USD
As of October 29, 2026
Save $816 USD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,243 USD 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 $427 to $1,243, a $816 spread on the same certified stone. MOH London lists it at $1,243. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,243 USD|Low: $427 USD|High: $1,257 USD|Avg: $658 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6$427 USD
Retailer 4$477 USD
Retailer 5$543 USD
Retailer 2$586 USD
Retailer 3$825 USD
MOH London$1,243 USD

38 data points across 6 retailers

7 retailers$427 USD to $1,243 USD

A
Cheapest Retailer
-
$427 USD
B+
Retailer 2
-
$477 USD
View
A
Retailer 3
-
$543 USD
View
A
Retailer 4
-
$586 USD
£462 GBP
View
B+
Retailer 5
-
$825 USD
View
B
Retailer 6
-
$860 USD
View
Price last confirmed 24 days ago
Most Expensive
B
MOH London
LG691547802 · Oct 25
$1,243 USD
£979 GBP
View
6 more retailers have this diamond
Prices start from $427 USDSave up to $816 USD

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
$427 USD