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Radiant|Lab Grown|IGI

1.34ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG743504690

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

Certificate IGI LG743504690

Diamond specifications and retailer prices

From £1,030 GBP
$1,380 USD
As of October 30, 2026
Save £525 GBP (34%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,555 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.34ct lab-grown radiant diamond

This 1.34ct 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 LG743504690 or 743504690. Listed at 2 retailers as of October 30, 2026, with prices from £1,030 to £1,555, a £525 spread on the same certified stone. Blue Nile lists it at £1,555. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.34
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743504690
Dimensions7.88 × 5.46 × 3.62 mm
L/W Ratio1.44
Culet sizePointed
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
7.88 mm5.46 mm1.34 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743504690
Side View
Table 62.0%Crown 42.6°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 66.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,555 GBP|Low: £293 GBP|High: £3,769 GBP|Avg: £1,357 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
September 28, 2026
Retailer 8£293 GBP
Retailer 6£525 GBP
Retailer 7£688 GBP
Retailer 3£900 GBP
Retailer 5£1,009 GBP
Retailer 2£1,030 GBP
Retailer 10£1,399 GBP
Retailer 12£1,544 GBP
Blue Nile£1,555 GBP
Retailer 11£1,587 GBP
Retailer 9£1,799 GBP
Retailer 4£3,769 GBP

2 data points across 12 retailers

2 retailers£1,030 GBP to £1,555 GBP

B+
Cheapest Retailer
-
£1,030 GBP
$1,380 USD
Most Expensive
B
Blue Nile
29886091 · Oct 31
£1,555 GBP
$2,084 USD
View
1 more retailer has this diamond
Prices start from £1,030 GBPSave up to £525 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.

B+
1.34ct Radiant
£1,030 GBP