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1.44ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG492136552

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136552

Diamond specifications and retailer prices

From £594 GBP
As of November 5, 2026
Save £2,148 GBP (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,742 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.44ct lab-grown round diamond

This 1.44ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492136552 or 492136552. Listed at 12 retailers as of November 5, 2026, with prices from £594 to £2,742, a £2,148 spread on the same certified stone. MOH London lists it at £2,742. 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

1.44
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136552
Dimensions7.09 × 7.14 × 4.52 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
7.09 mm7.14 mm1.44 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136552
Side View
Table 57.0%Crown 36.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £2,742 GBP|Low: £594 GBP|High: £2,786 GBP|Avg: £1,243 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3£594 GBP
Retailer 5£699 GBP
Retailer 8£782 GBP
Retailer 6£811 GBP
Retailer 9£940 GBP
Retailer 10£1,191 GBP
Retailer 7£1,297 GBP
Retailer 2£1,343 GBP
Retailer 4£1,748 GBP
MOH London£2,742 GBP

40 data points across 10 retailers

12 retailers£594 GBP to £2,742 GBP

A
Cheapest Retailer
-
£594 GBP
B+
Retailer 2
-
£699 GBP
View
B+
Retailer 3
-
£760 GBP
View
B+
Retailer 4
-
£782 GBP
View
Final sale: no returns
Retailer 5
-
£811 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£811 GBP
View
B+
Retailer 7
-
£940 GBP
View
B
Retailer 8
-
£1,297 GBP
View
B
Retailer 9
-
£1,343 GBP
View
B
Retailer 10
-
£1,748 GBP
View
B
Retailer 11
-
£2,279 GBP
View
Most Expensive
B
MOH London
LG492136552 · Nov 5
£2,742 GBP
View
11 more retailers have this diamond
Prices start from £594 GBPSave up to £2,148 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
1.44ct Round
£594 GBP