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Round|Lab Grown|IGI

1.03ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG770644041

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770644041

Diamond specifications and retailer prices

From £364 GBP
$490 USD
As of November 5, 2026
1 retailer carries this diamond
Only listing: £364 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770644041 or 770644041. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770644041
Dimensions6.48 × 6.51 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm6.51 mm1.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770644041
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £364 GBP|Low: £98 GBP|High: £609 GBP|Avg: £337 GBP|-40.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
July 6, 2026
Retailer 3£207 GBP
Retailer 4£222 GBP
Retailer 5£228 GBP
Retailer 8£300 GBP
Retailer 6£345 GBP
Retailer 7£352 GBP
Brilliant Earth£364 GBP
Retailer 9£465 GBP
Retailer 2£507 GBP

69 data points across 9 retailers

1 retailer

B
Brilliant Earth
17893020A · Nov 5
£364 GBP
$490 USD
View

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
1.03ct Round
£364 GBP