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Radiant|Lab Grown|IGI

1.00ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG598303516

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

Certificate IGI LG598303516

Diamond specifications and retailer prices

From £384 GBP
$512 USD
As of October 27, 2026
Save £1,988 GBP (84%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,373 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG598303516 or 598303516. Listed at 4 retailers as of October 27, 2026, with prices from £384 to £2,373, a £1,988 spread on the same certified stone. Do Amore Diamonds lists it at £2,373. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598303516
Dimensions7.25 × 5.00 × 3.24 mm
L/W Ratio1.45
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
7.25 mm5.00 mm1.00 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598303516
Side View
Table 67.0%Crown 43°Girdle: MediumPavilion 34.1°Culet: NoneDepth 64.8%

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 27
Current: £2,373 GBP|Low: £384 GBP|High: £2,373 GBP|Avg: £1,290 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 22, 2026
Retailer 3£384 GBP
Retailer 4£513 GBP
Retailer 7£788 GBP
Retailer 2£1,187 GBP
Retailer 5£1,382 GBP
Retailer 6£1,382 GBP
Do Amore Diamonds£2,373 GBP

11 data points across 7 retailers

4 retailers£384 GBP to £2,373 GBP

A
Cheapest Retailer
-
£384 GBP
$512 USD
B+
Retailer 2
-
£513 GBP
$683 USD
View
B
Retailer 3
-
£1,187 GBP
CA$2,195 CAD
View
Most Expensive
B
Do Amore Diamonds
16-500131918 · Oct 29
£2,373 GBP
$3,160 USD
View
3 more retailers have this diamond
Prices start from £384 GBPSave up to £1,988 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
1.00ct Radiant
£384 GBP