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Round|Lab Grown|IGI

1.74ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG462132992

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462132992

Diamond specifications and retailer prices

From £716 GBP
$960 USD
As of October 30, 2026
Save £3,208 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,924 GBP 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG462132992 or 462132992. Listed at 11 retailers as of October 29, 2026, with prices from £716 to £3,924, a £3,208 spread on the same certified stone. MOH London lists it at £3,924. 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 angle31.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462132992
Dimensions7.83 × 7.87 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.83 mm7.87 mm1.74 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG462132992
Side View
Table 58.0%Crown 31.5°GirdlePavilion 40.2°Culet: NoneDepth 58.8%

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: £3,924 GBP|Low: £716 GBP|High: £3,955 GBP|Avg: £1,917 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2£716 GBP
Retailer 4£1,178 GBP
Retailer 7£1,320 GBP
Retailer 5£1,367 GBP
Retailer 8£1,493 GBP
Retailer 9£1,845 GBP
Retailer 6£2,151 GBP
Retailer 3£2,417 GBP
MOH London£3,924 GBP

15 data points across 9 retailers

11 retailers£716 GBP to £3,924 GBP

A
Cheapest Retailer
-
£716 GBP
$960 USD
B+
Retailer 2
-
£1,178 GBP
$1,579 USD
View
B+
Retailer 3
-
£1,281 GBP
$1,717 USD
View
B+
Retailer 4
-
£1,320 GBP
$1,768 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,367 GBP
$1,831 USD
View
Retailer 6
-
£1,367 GBP
$1,831 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
£1,493 GBP
$2,000 USD
View
B
Retailer 8
-
£2,151 GBP
$2,882 USD
View
B
Retailer 9
-
£2,417 GBP
$3,238 USD
View
B
Retailer 10
-
£2,561 GBP
$3,432 USD
View
Most Expensive
B
MOH London
LG462132992 · Oct 29
£3,924 GBP
View
10 more retailers have this diamond
Prices start from £716 GBPSave up to £3,208 GBP

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
£716 GBP