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Round|Lab Grown|IGI

1.37ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG488154369

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488154369

Diamond specifications and retailer prices

From £574 GBP
$770 USD
As of November 2, 2026
Save £2,116 GBP (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,690 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.37ct lab-grown round diamond

This 1.37ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG488154369 or 488154369. Listed at 13 retailers as of November 2, 2026, with prices from £574 to £2,690, a £2,116 spread on the same certified stone. MOH London lists it at £2,690. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488154369
Dimensions7.26 × 7.22 × 4.36 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
7.26 mm7.22 mm1.37 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488154369
Side View
Table 54.5%Crown 33.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.3%

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 2
Current: £2,690 GBP|Low: £574 GBP|High: £2,722 GBP|Avg: £1,258 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 7£574 GBP
Retailer 9£683 GBP
Retailer 12£744 GBP
Retailer 14£765 GBP
Retailer 4£783 GBP
Retailer 10£793 GBP
Retailer 3£924 GBP
Retailer 5£1,168 GBP
Retailer 11£1,271 GBP
Retailer 2£1,459 GBP
Retailer 8£1,765 GBP
Retailer 6£1,775 GBP
Retailer 13£2,230 GBP
MOH London£2,690 GBP

22 data points across 14 retailers

13 retailers£574 GBP to £2,690 GBP

A
Cheapest Retailer
-
£574 GBP
$770 USD
B+
Retailer 2
-
£683 GBP
$917 USD
View
B+
Retailer 3
-
£744 GBP
$998 USD
View
B+
Retailer 4
-
£765 GBP
$1,026 USD
View
Final sale: no returns
B+
Retailer 5
-
£783 GBP
$1,051 USD
View
B+
Retailer 6
-
£793 GBP
$1,064 USD
View
Retailer 7
-
£793 GBP
$1,064 USD
View
Price last confirmed 17 days ago
B
Retailer 8
-
£924 GBP
$1,240 USD
View
B
Retailer 9
-
£1,271 GBP
$1,706 USD
View
B
Retailer 10
-
£1,459 GBP
ZAR 31,633 ZAR
View
B
Retailer 11
-
£1,765 GBP
$2,368 USD
View
B
Retailer 12
-
£2,230 GBP
$2,992 USD
View
Most Expensive
B
MOH London
LG488154369 · Nov 3
£2,690 GBP
View
12 more retailers have this diamond
Prices start from £574 GBPSave up to £2,116 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
1.37ct Round
£574 GBP