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Round|Lab Grown|IGI

1.74ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG440012179

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440012179

Diamond specifications and retailer prices

From £724 GBP
$970 USD
As of October 30, 2026
Save £2,791 GBP (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,515 GBP at MOH London · As of October 27, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012179 or 440012179. Listed at 10 retailers as of October 27, 2026, with prices from £724 to £3,515, a £2,791 spread on the same certified stone. MOH London lists it at £3,515. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012179
Dimensions7.85 × 7.87 × 4.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.85 mm7.87 mm1.74 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012179
Side View
Table 58.5%Crown 31.6°GirdlePavilion 40.4°Culet: NoneDepth 59.0%

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: £3,515 GBP|Low: £724 GBP|High: £3,557 GBP|Avg: £1,780 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2£724 GBP
Retailer 3£1,060 GBP
Retailer 6£1,187 GBP
Retailer 4£1,229 GBP
Retailer 7£1,229 GBP
Retailer 9£1,681 GBP
Retailer 5£1,940 GBP
Retailer 8£2,231 GBP
Retailer 10£2,752 GBP
MOH London£3,515 GBP

13 data points across 10 retailers

10 retailers£724 GBP to £3,515 GBP

A
Cheapest Retailer
-
£724 GBP
$970 USD
B+
Retailer 2
-
£1,060 GBP
$1,420 USD
View
B+
Retailer 3
-
£1,153 GBP
$1,545 USD
View
B+
Retailer 4
-
£1,187 GBP
$1,590 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,229 GBP
$1,647 USD
View
Retailer 6
-
£1,229 GBP
$1,647 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
£1,940 GBP
$2,599 USD
View
B
Retailer 8
-
£2,231 GBP
$2,989 USD
View
B
Retailer 9
-
£2,304 GBP
$3,087 USD
View
Most Expensive
B
MOH London
LG440012179 · Oct 27
£3,515 GBP
View
9 more retailers have this diamond
Prices start from £724 GBPSave up to £2,791 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
£724 GBP