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Round|Lab Grown|IGI

1.74ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436072816

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436072816

Diamond specifications and retailer prices

From £946 GBP
$1,260 USD
As of October 29, 2026
Save £2,604 GBP (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,551 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072816 or 436072816. Listed at 10 retailers as of October 29, 2026, with prices from £946 to £3,551, a £2,604 spread on the same certified stone. MOH London lists it at £3,551. 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 angle31.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072816
Dimensions7.90 × 7.86 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.90 mm7.86 mm1.74 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436072816
Side View
Table 58.5%Crown 31.5°Girdle: THN-MEDPavilion 40.5°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 29
Current: £3,551 GBP|Low: £852 GBP|High: £3,579 GBP|Avg: £1,750 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4£946 GBP
Retailer 2£1,066 GBP
Retailer 7£1,193 GBP
Retailer 5£1,237 GBP
Retailer 8£1,237 GBP
Retailer 11£1,373 GBP
Retailer 10£1,692 GBP
Retailer 6£1,952 GBP
Retailer 9£2,245 GBP
Retailer 3£2,769 GBP
MOH London£3,551 GBP

13 data points across 11 retailers

10 retailers£946 GBP to £3,551 GBP

A
Cheapest Retailer
-
£946 GBP
$1,260 USD
B+
Retailer 2
-
£1,066 GBP
$1,420 USD
View
B+
Retailer 3
-
£1,160 GBP
$1,545 USD
View
B+
Retailer 4
-
£1,193 GBP
$1,589 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,237 GBP
$1,647 USD
View
Retailer 6
-
£1,237 GBP
$1,647 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
£1,952 GBP
$2,599 USD
View
B
Retailer 8
-
£2,245 GBP
$2,989 USD
View
B
Retailer 9
-
£2,318 GBP
$3,087 USD
View
Most Expensive
B
MOH London
LG436072816 · Oct 29
£3,551 GBP
View
9 more retailers have this diamond
Prices start from £946 GBPSave up to £2,604 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
£946 GBP