CaratHunter
Plans
Round|Lab Grown|IGI

1.15ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG549283808

Shape and cutting style on the report: Round brilliant

Certificate IGI LG549283808

Diamond specifications and retailer prices

From £268 GBP
$359 USD
As of November 1, 2026
Save £423 GBP (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £691 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG549283808 or 549283808. Listed at 5 retailers as of November 1, 2026, with prices from £268 to £691, a £423 spread on the same certified stone. MOH London lists it at £691. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549283808
Dimensions6.74 × 6.78 × 4.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
6.74 mm6.78 mm1.15 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549283808
Side View
Table 57.5%Crown 34°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.6%

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 1
Current: £691 GBP|Low: £200 GBP|High: £902 GBP|Avg: £597 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3£268 GBP
Retailer 5£332 GBP
Retailer 4£431 GBP
Retailer 2£516 GBP
MOH London£691 GBP
Retailer 7£782 GBP
Retailer 8£782 GBP
Retailer 6£902 GBP

12 data points across 8 retailers

5 retailers£268 GBP to £691 GBP

A
Cheapest Retailer
-
£268 GBP
$359 USD
B+
Retailer 2
-
£332 GBP
$446 USD
View
B+
Retailer 3
-
£431 GBP
$578 USD
View
B
Retailer 4
-
£516 GBP
$693 USD
View
Most Expensive
B
MOH London
LG549283808 · Nov 2
£691 GBP
View
4 more retailers have this diamond
Prices start from £268 GBPSave up to £423 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
1.15ct Round
£268 GBP