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Round|Lab Grown|IGI

1.01ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG468169284

Shape and cutting style on the report: Round brilliant

Certificate IGI LG468169284

Diamond specifications and retailer prices

From £433 GBP
$580 USD
As of October 30, 2026
Save £2,339 GBP (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,771 GBP at MOH London · As of October 27, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG468169284 or 468169284. Listed at 13 retailers as of October 27, 2026, with prices from £433 to £2,771, a £2,339 spread on the same certified stone. MOH London lists it at £2,771. 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

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG468169284
Dimensions6.37 × 6.38 × 4.01 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
6.37 mm6.38 mm1.01 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG468169284
Side View
Table 57.5%Crown 35.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.8%

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 30
Current: £2,771 GBP|Low: £433 GBP|High: £2,806 GBP|Avg: £1,216 GBP|+0.1%
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
October 30, 2026
Retailer 2£433 GBP
Retailer 10£704 GBP
Retailer 4£766 GBP
Retailer 14£788 GBP
Retailer 11£816 GBP
Retailer 13£816 GBP
Retailer 7£945 GBP
Retailer 5£948 GBP
Retailer 6£1,186 GBP
Retailer 12£1,307 GBP
Retailer 8£1,404 GBP
Retailer 9£1,759 GBP
Retailer 3£2,295 GBP
MOH London£2,771 GBP

37 data points across 14 retailers

13 retailers£433 GBP to £2,771 GBP

A
Cheapest Retailer
-
£433 GBP
$580 USD
B+
Retailer 2
-
£704 GBP
$943 USD
View
B+
Retailer 3
-
£766 GBP
$1,026 USD
View
B+
Retailer 4
-
£788 GBP
$1,056 USD
View
Final sale: no returns
Retailer 5
-
£816 GBP
$1,094 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
£816 GBP
$1,094 USD
View
B+
Retailer 7
-
£945 GBP
View
B+
Retailer 8
-
£948 GBP
$1,270 USD
View
B
Retailer 9
-
£1,307 GBP
$1,751 USD
View
B
Retailer 10
-
£1,404 GBP
€1,791 EUR
View
B
Retailer 11
-
£1,759 GBP
$2,357 USD
View
B
Retailer 12
-
£2,295 GBP
$3,075 USD
View
Most Expensive
B
MOH London
LG468169284 · Oct 27
£2,771 GBP
View
12 more retailers have this diamond
Prices start from £433 GBPSave up to £2,339 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
1.01ct Round
£433 GBP