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Round|Lab Grown|IGI

1.02ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG480150392

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480150392

Diamond specifications and retailer prices

From £440 GBP
$590 USD
As of October 31, 2026
Save £2,725 GBP (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,166 GBP at MOH London · As of October 27, 2026
View at MOH London

About this 1.02ct lab-grown round diamond

This 1.02ct 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 LG480150392 or 480150392. Listed at 12 retailers as of October 27, 2026, with prices from £440 to £3,166, a £2,725 spread on the same certified stone. MOH London lists it at £3,166. 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

1.02
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480150392
Dimensions6.43 × 6.44 × 4.03 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
6.43 mm6.44 mm1.02 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480150392
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.6%

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: Oct 31
Current: £3,166 GBP|Low: £440 GBP|High: £3,204 GBP|Avg: £1,392 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4£440 GBP
Retailer 5£849 GBP
Retailer 9£950 GBP
Retailer 6£984 GBP
Retailer 8£984 GBP
Retailer 10£1,112 GBP
Retailer 11£1,389 GBP
Retailer 7£1,564 GBP
Retailer 2£1,682 GBP
Retailer 3£1,939 GBP
MOH London£3,166 GBP

22 data points across 11 retailers

12 retailers£440 GBP to £3,166 GBP

A
Cheapest Retailer
-
£440 GBP
$590 USD
B+
Retailer 2
-
£849 GBP
$1,137 USD
View
B+
Retailer 3
-
£923 GBP
$1,237 USD
View
B+
Retailer 4
-
£950 GBP
$1,273 USD
View
Final sale: no returns
Retailer 5
-
£984 GBP
$1,318 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
£984 GBP
$1,318 USD
View
B
Retailer 7
-
£1,112 GBP
$1,490 USD
View
B
Retailer 8
-
£1,564 GBP
$2,095 USD
View
B
Retailer 9
-
£1,682 GBP
€2,147 EUR
View
B
Retailer 10
-
£1,844 GBP
$2,471 USD
View
B
Retailer 11
-
£1,939 GBP
$2,598 USD
View
Most Expensive
B
MOH London
LG480150392 · Oct 27
£3,166 GBP
View
11 more retailers have this diamond
Prices start from £440 GBPSave up to £2,725 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
1.02ct Round
£440 GBP