CaratHunter
Plans
Radiant|Lab Grown|IGI

1.34ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG844643015

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

Certificate IGI LG844643015

Diamond specifications and retailer prices

From £381 GBP
$510 USD
As of October 30, 2026
Save £2,597 GBP (87%) vs most expensive(unlock to see where)
18 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 LG844643015 or 844643015. Listed at 18 retailers as of October 29, 2026, with prices from £381 to £2,978, a £2,597 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 angle43.4°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844643015
Dimensions7.90 × 5.44 × 3.57 mm
L/W Ratio1.45
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
7.90 mm5.44 mm1.34 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844643015
Side View
Table 65.0%Crown 43.4°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £618 GBP|Low: £381 GBP|High: £1,935 GBP|Avg: £942 GBP|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 3£381 GBP
Retailer 4£389 GBP
Retailer 12£485 GBP
Retailer 16£574 GBP
Retailer 9£597 GBP
Retailer 14£599 GBP
Retailer 1£618 GBP
Retailer 11£646 GBP
Retailer 2£727 GBP
Retailer 5£823 GBP
Retailer 8£1,235 GBP
Retailer 13£1,242 GBP
Retailer 6£1,380 GBP
Retailer 17£1,382 GBP
Retailer 10£1,477 GBP
Retailer 7£1,723 GBP
Retailer 15£1,935 GBP

16 data points across 17 retailers

18 retailers£381 GBP to £2,978 GBP

A
Cheapest Retailer
-
£381 GBP
$510 USD
Final sale: no returns
Retailer 2
-
£389 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
£485 GBP
$650 USD
View
Retailer 4
-
£574 GBP
€732 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
£597 GBP
$800 USD
View
A
Retailer 6
-
£599 GBP
$802 USD
View
A
Retailer 7
-
£618 GBP
View
B+
Retailer 8
-
£646 GBP
ZAR 13,987 ZAR
View
B+
Retailer 9
-
£727 GBP
$974 USD
View
B+
Retailer 10
-
£823 GBP
$1,103 USD
View
B
Retailer 11
-
£1,235 GBP
$1,655 USD
View
B
Retailer 12
-
£1,242 GBP
CA$2,311 CAD
View
B
Retailer 13
-
£1,380 GBP
$1,849 USD
View
B
Retailer 14
-
£1,382 GBP
$1,852 USD
View
B
Retailer 15
-
£1,477 GBP
View
B
Retailer 16
-
£1,723 GBP
$2,308 USD
View
B
Retailer 17
-
£1,935 GBP
$2,593 USD
View
Most Expensive
B
Brilliant Earth
22269417A · Oct 29
£2,978 GBP
$3,990 USD
View
17 more retailers have this diamond
Prices start from £381 GBPSave up to £2,597 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
£381 GBP