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Radiant|Lab Grown|IGI

1.71ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG803623438

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG803623438

Diamond specifications and retailer prices

From £1,052 GBP
$1,410 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: £1,052 GBP at Jared
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 Jared

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG803623438 or 803623438. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803623438
Dimensions8.47 × 5.91 × 4.04 mm
L/W Ratio1.43
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.47 mm5.91 mm1.71 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803623438
Side View
Table 60.0%Crown 42.5°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 68.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £1,052 GBP|Low: £896 GBP|High: £4,703 GBP|Avg: £2,118 GBP|-43.6%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 28, 2026
Retailer 2£922 GBP
Jared£1,052 GBP
Retailer 7£1,093 GBP
Retailer 8£1,137 GBP
Retailer 10£1,201 GBP
Retailer 5£1,649 GBP
Retailer 11£1,705 GBP
Retailer 6£1,763 GBP
Retailer 4£2,652 GBP
Retailer 9£2,656 GBP
Retailer 3£2,775 GBP

23 data points across 11 retailers

1 retailer

B+
Jared
159646563 · Oct 30
£1,052 GBP
$1,410 USD
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B+
1.71ct Radiant
£1,052 GBP