Round|Lab Grown|IGI

6.03ct E I1 Round Lab Grown Diamond

EX • E/I1 • IGI LG801684825

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801684825

Diamond specifications and retailer prices

From £629 GBP
$837 USD
As of October 29, 2026
Save £1,930 GBP (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,559 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 6.03ct lab-grown round diamond

This 6.03ct lab-grown round sits in the over five carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG801684825 or 801684825. Listed at 12 retailers as of October 26, 2026, with prices from £629 to £2,559, a £1,930 spread on the same certified stone. MOH London lists it at £2,559. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.03
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801684825
Dimensions11.64 × 11.57 × 7.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.64 mm11.57 mm6.03 ctE / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801684825
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £2,559 GBP|Low: £538 GBP|High: £2,723 GBP|Avg: £1,185 GBP|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 7£561 GBP
Retailer 9£629 GBP
Retailer 6£651 GBP
Retailer 3£744 GBP
Retailer 11£782 GBP
Retailer 5£931 GBP
Retailer 8£965 GBP
Retailer 2£1,013 GBP
Retailer 4£1,602 GBP
Retailer 10£2,231 GBP
MOH London£2,559 GBP

27 data points across 11 retailers

12 retailers£629 GBP to £2,559 GBP

Retailer 1
-
£561 GBP
$747 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
£629 GBP
$837 USD
View
Final sale: no returns
Retailer 3
-
£651 GBP
$867 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£684 GBP
$911 USD
View
Price last confirmed 31 days ago
Retailer 5
-
£744 GBP
$991 USD
View
Price last confirmed 36 days ago
Retailer 6
-
£782 GBP
$1,042 USD
View
Price last confirmed 30 days ago
B+
Retailer 7
-
£931 GBP
$1,240 USD
View
B+
Retailer 8
-
£965 GBP
$1,285 USD
View
B+
Retailer 9
-
£1,013 GBP
€1,285 EUR
View
B+
Retailer 10
-
£1,602 GBP
$2,134 USD
View
Retailer 11
-
£2,231 GBP
$2,971 USD
View
Price last confirmed 29 days ago
Most Expensive
B+
MOH London
LG801684825 · Oct 26
£2,559 GBP
View
11 more retailers have this diamond
Prices start from £629 GBPSave up to £1,930 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.

B+
6.03ct Round
£629 GBP