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Round|Lab Grown|IGI

1.74ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG691548293

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691548293

Diamond specifications and retailer prices

From $422 USD
As of October 27, 2026
Save $820 USD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,242 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.74ct lab-grown round diamond

This 1.74ct 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 LG691548293 or 691548293. Listed at 7 retailers as of October 27, 2026, with prices from $422 to $1,242, a $820 spread on the same certified stone. MOH London lists it at $1,242. 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

1.74
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691548293
Dimensions7.71 × 7.67 × 4.74 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
7.71 mm7.67 mm1.74 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691548293
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

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 27
Current: $1,242 USD|Low: $422 USD|High: $1,251 USD|Avg: $666 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6$422 USD
Retailer 4$475 USD
Retailer 5$541 USD
Retailer 2$585 USD
Retailer 3$825 USD
MOH London$1,242 USD

39 data points across 6 retailers

7 retailers$422 USD to $1,242 USD

A
Cheapest Retailer
-
$422 USD
B+
Retailer 2
-
$475 USD
View
A
Retailer 3
-
$541 USD
View
A
Retailer 4
-
$585 USD
£461 GBP
View
B+
Retailer 5
-
$825 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$850 USD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG691548293 · Oct 29
$1,242 USD
£978 GBP
View
6 more retailers have this diamond
Prices start from $422 USDSave up to $820 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
1.74ct Round
$422 USD