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Round|Lab Grown|IGI

1.74ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG12282716

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12282716

Diamond specifications and retailer prices

From €398 EUR
$445 USD
As of November 1, 2026
Save €1,227 EUR (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,626 EUR at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12282716 or 12282716. Listed at 7 retailers as of November 1, 2026, with prices from €398 to €1,626, a €1,227 spread on the same certified stone. MOH London lists it at €1,626. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12282716
Dimensions7.66 × 7.72 × 4.81 mm
L/W Ratio1.01
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
7.66 mm7.72 mm1.74 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12282716
Side View
Table 58.5%Crown 35.5°Girdle: MED-UNDPavilion 41.5°Culet: NoneDepth 62.4%

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: Nov 1
Current: €1,626 EUR|Low: €398 EUR|High: €1,634 EUR|Avg: €929 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2€398 EUR
Retailer 3€460 EUR
Retailer 5€706 EUR
Retailer 7€778 EUR
Retailer 4€1,233 EUR
Retailer 6€1,476 EUR
MOH London€1,626 EUR

7 data points across 7 retailers

7 retailers€398 EUR to €1,626 EUR

B+
Cheapest Retailer
-
€398 EUR
$445 USD
A
Retailer 2
-
€460 EUR
$514 USD
View
A
Retailer 3
-
€706 EUR
$789 USD
View
A
Retailer 4
-
€778 EUR
$869 USD
View
B+
Retailer 5
-
€1,233 EUR
$1,378 USD
View
B+
Retailer 6
-
€1,476 EUR
$1,649 USD
View
Most Expensive
B+
MOH London
LG12282716 · Nov 1
€1,626 EUR
£1,430 GBP
View
6 more retailers have this diamond
Prices start from €398 EURSave up to €1,227 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
1.74ct Round
€398 EUR