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Radiant|Lab Grown|IGI

1.34ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG790611965

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

Certificate IGI LG790611965

Diamond specifications and retailer prices

From £275 GBP
$368 USD
As of October 30, 2026
Save £2,703 GBP (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,978 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG790611965 or 790611965. Listed at 23 retailers as of October 29, 2026, with prices from £275 to £2,978, a £2,703 spread on the same certified stone. Brilliant Earth lists it at £2,978. 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 angle38.1°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611965
Dimensions7.95 × 5.44 × 3.62 mm
L/W Ratio1.46
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
7.95 mm5.44 mm1.34 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611965
Side View
Table 60.0%Crown 38.1°Girdle: MED-STKPavilion 34°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,978 GBP|Low: £275 GBP|High: £2,978 GBP|Avg: £856 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 4£275 GBP
Retailer 8£307 GBP
Retailer 18£319 GBP
Retailer 7£341 GBP
Retailer 20£341 GBP
Retailer 21£373 GBP
Retailer 16£452 GBP
Retailer 6£525 GBP
Retailer 9£546 GBP
Retailer 17£546 GBP
Retailer 15£586 GBP
Retailer 2£614 GBP
Retailer 3£717 GBP
Retailer 19£1,000 GBP
Retailer 12£1,089 GBP
Retailer 5£1,096 GBP
Retailer 14£1,126 GBP
Retailer 11£1,292 GBP
Retailer 10£1,331 GBP
Retailer 13£1,339 GBP
Brilliant Earth£2,978 GBP

40 data points across 21 retailers

23 retailers£275 GBP to £2,978 GBP

A
Cheapest Retailer
-
£275 GBP
$368 USD
A
Retailer 2
-
£307 GBP
$412 USD
View
Final sale: no returns
A
Retailer 3
-
£319 GBP
$427 USD
View
A
Retailer 4
-
£341 GBP
$457 USD
View
A
Retailer 5
-
£341 GBP
$457 USD
View
A
Retailer 6
-
£373 GBP
HK$3,900 HKD
View
A
Retailer 7
-
£452 GBP
$605 USD
View
A
Retailer 8
-
£525 GBP
$703 USD
View
A
Retailer 9
-
£546 GBP
$731 USD
View
Retailer 10
-
£546 GBP
€697 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
-
£586 GBP
ZAR 12,685 ZAR
View
A
Retailer 12
-
£614 GBP
View
B+
Retailer 13
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£717 GBP
$961 USD
View
B+
Retailer 14
-
£1,000 GBP
$1,340 USD
View
B+
Retailer 15
-
£1,089 GBP
SGD 1,972 SGD
View
B+
Retailer 16
-
£1,096 GBP
$1,469 USD
View
B
Retailer 17
-
£1,126 GBP
$1,508 USD
View
B
Retailer 18
-
£1,292 GBP
$1,731 USD
View
B
Retailer 19
-
£1,331 GBP
View
B+
Retailer 20
-
£1,339 GBP
View
Retailer 21
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£2,193 GBP
$2,938 USD
View
Price last confirmed 82 days ago
Retailer 22
-
£2,250 GBP
$3,015 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
19074188A · Oct 29
£2,978 GBP
$3,990 USD
View
22 more retailers have this diamond
Prices start from £275 GBPSave up to £2,703 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
1.34ct Radiant
£275 GBP