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Radiant|Lab Grown|IGI

1.00ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG612301690

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

Certificate IGI LG612301690

Diamond specifications and retailer prices

From £155 GBP
$206 USD
As of October 27, 2026
Save £1,505 GBP (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,660 GBP at Do Amore Diamonds · As of October 28, 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 LG612301690 or 612301690. Listed at 20 retailers as of October 27, 2026, with prices from £155 to £1,660, a £1,505 spread on the same certified stone. Do Amore Diamonds lists it at £1,660. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612301690
Dimensions6.96 × 4.90 × 3.36 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.96 mm4.90 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612301690
Side View
Table 69.0%Crown 44.9°Girdle: MediumPavilion 34.6°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: £1,487 GBP|Low: £173 GBP|High: £1,562 GBP|Avg: £667 GBP|-4.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11£173 GBP
Retailer 10£258 GBP
Retailer 4£324 GBP
Retailer 7£364 GBP
Retailer 6£393 GBP
Retailer 8£516 GBP
Retailer 9£553 GBP
Retailer 12£809 GBP
Retailer 3£837 GBP
Retailer 2£853 GBP
Retailer 5£1,254 GBP
Do Amore Diamonds£1,487 GBP

39 data points across 12 retailers

20 retailers£155 GBP to £1,660 GBP

A+
Cheapest Retailer
-
£155 GBP
$206 USD
A
Retailer 2
-
£173 GBP
$230 USD
View
Final sale: no returns
A
Retailer 3
-
£179 GBP
$239 USD
View
A
Retailer 4
-
£191 GBP
$255 USD
View
A
Retailer 5
-
£191 GBP
$255 USD
View
A
Retailer 6
-
£258 GBP
$343 USD
View
A
Retailer 7
-
£324 GBP
$432 USD
View
A
Retailer 8
-
£364 GBP
ZAR 7,823 ZAR
View
A
Retailer 9
-
£393 GBP
View
B+
Retailer 10
-
£516 GBP
A$1,058 AUD
View
B+
Retailer 11
-
£553 GBP
$737 USD
View
B+
Retailer 12
-
£592 GBP
$789 USD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
£680 GBP
$906 USD
View
B+
Retailer 14
-
£809 GBP
$1,078 USD
View
B+
Retailer 15
-
£837 GBP
$1,115 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
£853 GBP
View
B
Retailer 17
-
£1,254 GBP
$1,670 USD
View
B
Retailer 18
-
£1,394 GBP
$1,856 USD
View
B
Retailer 19
-
£1,487 GBP
$1,980 USD
View
Most Expensive
B
Do Amore Diamonds
23-612301690 · Oct 28
£1,660 GBP
$2,210 USD
View
19 more retailers have this diamond
Prices start from £155 GBPSave up to £1,505 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
£155 GBP