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Round|Lab Grown|IGI

1.02ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG480169697

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480169697

Diamond specifications and retailer prices

From £440 GBP
$590 USD
As of October 31, 2026
Save £2,738 GBP (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,178 GBP at MOH London · As of October 29, 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 LG480169697 or 480169697. Listed at 13 retailers as of October 29, 2026, with prices from £440 to £3,178, a £2,738 spread on the same certified stone. MOH London lists it at £3,178. 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 angle32.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480169697
Dimensions6.55 × 6.54 × 3.92 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
6.55 mm6.54 mm1.02 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480169697
Side View
Table 61.0%Crown 32.1°Girdle: MediumPavilion 41.2°Culet: NoneDepth 59.8%

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 31
Current: £3,178 GBP|Low: £440 GBP|High: £3,204 GBP|Avg: £1,468 GBP|+0.5%
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
Retailer 15
November 1, 2026
Retailer 8£440 GBP
Retailer 10£849 GBP
Retailer 3£923 GBP
Retailer 15£950 GBP
Retailer 11£984 GBP
Retailer 13£984 GBP
Retailer 4£1,112 GBP
Retailer 2£1,288 GBP
Retailer 5£1,389 GBP
Retailer 12£1,564 GBP
Retailer 9£1,686 GBP
Retailer 14£1,844 GBP
Retailer 6£1,939 GBP
Retailer 7£2,818 GBP
MOH London£3,178 GBP

38 data points across 15 retailers

13 retailers£440 GBP to £3,178 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 19 days ago
B+
Retailer 6
-
£984 GBP
$1,318 USD
View
B
Retailer 7
-
£1,112 GBP
$1,490 USD
View
B+
Retailer 8
-
£1,288 GBP
View
B
Retailer 9
-
£1,564 GBP
$2,095 USD
View
B
Retailer 10
-
£1,686 GBP
€2,152 EUR
View
B
Retailer 11
-
£1,844 GBP
$2,471 USD
View
B
Retailer 12
-
£1,939 GBP
$2,598 USD
View
Most Expensive
B
MOH London
LG480169697 · Oct 29
£3,178 GBP
View
12 more retailers have this diamond
Prices start from £440 GBPSave up to £2,738 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