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Radiant|Lab Grown|IGI

1.33ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG801694506

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

Certificate IGI LG801694506

Diamond specifications and retailer prices

From £329 GBP
As of October 30, 2026
Save £1,820 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,220 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.33ct lab-grown radiant diamond

This 1.33ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801694506 or 801694506. Listed at 14 retailers as of October 30, 2026, with a 553% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694506
Dimensions8.13 × 5.47 × 3.56 mm
L/W Ratio1.49
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
8.13 mm5.47 mm1.33 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694506
Side View
Table 63.0%Crown 35.2°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 65.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £2,220 GBP|Low: £328 GBP|High: £3,590 GBP|Avg: £1,155 GBP|+12.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 5£329 GBP
Retailer 7£409 GBP
Retailer 12£425 GBP
Retailer 10£469 GBP
Retailer 11£539 GBP
Retailer 3£554 GBP
Retailer 9£846 GBP
Retailer 4£1,028 GBP
Retailer 6£1,251 GBP
Retailer 8£2,067 GBP
Retailer 2£2,149 GBP
Rare Carat£2,220 GBP

33 data points across 12 retailers

14 retailers£329 GBP to £2,149 GBP

Retailer 1
-
£245 GBP
$328 USD
Price last confirmed 19 days ago
Retailer 2
-
£284 GBP
$381 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£329 GBP
View
A
Retailer 4
-
£409 GBP
$548 USD
View
A
Retailer 5
-
£425 GBP
$570 USD
View
A
Retailer 6
-
£469 GBP
$628 USD
View
Retailer 7
-
£539 GBP
€688 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
£554 GBP
$742 USD
View
B+
Retailer 9
-
£846 GBP
$1,134 USD
View
Retailer 10
-
£1,078 GBP
$1,444 USD
View
Price last confirmed 20 days ago
B+
Retailer 11
-
£1,251 GBP
View
B
Retailer 12
-
£2,067 GBP
$2,770 USD
View
B
Retailer 13
-
£2,149 GBP
$2,880 USD
View
Most Expensive
Rare Carat
629-35 · Oct 21
£2,220 GBP
$2,975 USD
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from £329 GBPSave up to £1,820 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
1.33ct Radiant
£329 GBP