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Round|Lab Grown|IGI

1.38ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG440014391

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440014391

Diamond specifications and retailer prices

From £516 GBP
As of November 5, 2026
Save £1,835 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,351 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.38ct lab-grown round diamond

This 1.38ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440014391 or 440014391. Listed at 11 retailers as of November 1, 2026, with prices from £516 to £2,351, a £1,835 spread on the same certified stone. MOH London lists it at £2,351. 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

1.38
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440014391
Dimensions7.25 × 7.23 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.25 mm7.23 mm1.38 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440014391
Side View
Table 58.5%Crown 31.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.4%

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 5
Current: £2,351 GBP|Low: £413 GBP|High: £2,380 GBP|Avg: £1,028 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6£516 GBP
Retailer 10£562 GBP
Retailer 9£578 GBP
Retailer 2£580 GBP
Retailer 7£599 GBP
Retailer 12£641 GBP
Retailer 3£959 GBP
Retailer 8£974 GBP
Retailer 4£1,340 GBP
Retailer 5£1,475 GBP
Retailer 11£1,684 GBP
MOH London£2,351 GBP

12 data points across 12 retailers

11 retailers£516 GBP to £2,351 GBP

A
Cheapest Retailer
-
£516 GBP
A
Retailer 2
-
£562 GBP
View
A
Retailer 3
-
£578 GBP
View
Final sale: no returns
A
Retailer 4
-
£580 GBP
View
A
Retailer 5
-
£599 GBP
View
Retailer 6
-
£599 GBP
View
Price last confirmed 21 days ago
B+
Retailer 7
-
£641 GBP
View
B
Retailer 8
-
£974 GBP
View
B
Retailer 9
-
£1,475 GBP
View
B
Retailer 10
-
£1,684 GBP
View
Most Expensive
B
MOH London
LG440014391 · Nov 1
£2,351 GBP
View
10 more retailers have this diamond
Prices start from £516 GBPSave up to £1,835 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
1.38ct Round
£516 GBP