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Round|Lab Grown|IGI

1.04ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG464114548

Shape and cutting style on the report: Round brilliant

Certificate IGI LG464114548

Diamond specifications and retailer prices

From £455 GBP
$610 USD
As of October 31, 2026
Save £2,784 GBP (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,240 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown round diamond

This 1.04ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG464114548 or 464114548. Listed at 12 retailers as of October 29, 2026, with prices from £455 to £3,240, a £2,784 spread on the same certified stone. MOH London lists it at £3,240. 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

1.04
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464114548
Dimensions6.64 × 6.61 × 3.96 mm
L/W Ratio1.00
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
6.64 mm6.61 mm1.04 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464114548
Side View
Table 54.5%Crown 31.9°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.7%

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 31
Current: £3,240 GBP|Low: £455 GBP|High: £3,265 GBP|Avg: £1,405 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5£455 GBP
Retailer 6£864 GBP
Retailer 10£968 GBP
Retailer 7£1,003 GBP
Retailer 9£1,003 GBP
Retailer 4£1,097 GBP
Retailer 11£1,131 GBP
Retailer 12£1,412 GBP
Retailer 8£1,593 GBP
Retailer 2£1,714 GBP
Retailer 3£1,976 GBP
MOH London£3,240 GBP

22 data points across 12 retailers

12 retailers£455 GBP to £3,240 GBP

A
Cheapest Retailer
-
£455 GBP
$610 USD
B+
Retailer 2
-
£864 GBP
$1,158 USD
View
B+
Retailer 3
-
£940 GBP
$1,260 USD
View
B+
Retailer 4
-
£968 GBP
$1,297 USD
View
Final sale: no returns
Retailer 5
-
£1,003 GBP
$1,344 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
£1,003 GBP
$1,344 USD
View
B
Retailer 7
-
£1,131 GBP
$1,515 USD
View
B
Retailer 8
-
£1,593 GBP
$2,135 USD
View
B
Retailer 9
-
£1,714 GBP
€2,187 EUR
View
B
Retailer 10
-
£1,880 GBP
$2,519 USD
View
B
Retailer 11
-
£1,976 GBP
$2,648 USD
View
Most Expensive
B
MOH London
LG464114548 · Oct 29
£3,240 GBP
View
11 more retailers have this diamond
Prices start from £455 GBPSave up to £2,784 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
1.04ct Round
£455 GBP