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Radiant|Lab Grown|IGI

1.36ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG800677719

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

Certificate IGI LG800677719

Diamond specifications and retailer prices

From £333 GBP
$446 USD
As of October 30, 2026
Save £1,861 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,273 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.36ct lab-grown radiant diamond

This 1.36ct 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 LG800677719 or 800677719. Listed at 15 retailers as of October 30, 2026, with a 559% 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

1.36
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677719
Dimensions8.00 × 5.56 × 3.76 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
8.00 mm5.56 mm1.36 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677719
Side View
Table 62.0%Crown 34°Girdle: Slightly ThickPavilion 36.5°Culet: NoneDepth 67.6%

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: £2,273 GBP|Low: £237 GBP|High: £3,090 GBP|Avg: £1,115 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 4£333 GBP
Retailer 5£336 GBP
Retailer 7£410 GBP
Retailer 8£415 GBP
Retailer 11£479 GBP
Retailer 12£549 GBP
Retailer 3£577 GBP
Retailer 10£864 GBP
Retailer 6£1,278 GBP
Retailer 9£2,112 GBP
Retailer 2£2,194 GBP
Rare Carat£2,273 GBP

31 data points across 12 retailers

15 retailers£333 GBP to £2,194 GBP

Retailer 1
-
£250 GBP
$335 USD
Price last confirmed 19 days ago
Retailer 2
-
£290 GBP
$389 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£333 GBP
$446 USD
View
Final sale: no returns
A
Retailer 4
-
£336 GBP
View
A
Retailer 5
-
£410 GBP
$550 USD
View
A
Retailer 6
-
£415 GBP
$556 USD
View
A
Retailer 7
-
£479 GBP
$642 USD
View
A
Retailer 8
-
£549 GBP
€700 EUR
View
A
Retailer 9
-
£577 GBP
$773 USD
View
B+
Retailer 10
-
£864 GBP
$1,157 USD
View
Retailer 11
-
£1,100 GBP
$1,474 USD
View
Price last confirmed 20 days ago
B+
Retailer 12
-
£1,278 GBP
View
B
Retailer 13
-
£2,112 GBP
$2,830 USD
View
B
Retailer 14
-
£2,194 GBP
$2,940 USD
View
Most Expensive
Rare Carat
B24-10B · Oct 21
£2,273 GBP
$3,045 USD
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from £333 GBPSave up to £1,861 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
1.36ct Radiant
£333 GBP