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Radiant|Lab Grown|IGI

1.00ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG669419529

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

Certificate IGI LG669419529

Diamond specifications and retailer prices

From £126 GBP
$168 USD
As of October 27, 2026
Save £1,083 GBP (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £1,209 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 LG669419529 or 669419529. Listed at 29 retailers as of October 27, 2026, with prices from £126 to £1,209, a £1,083 spread on the same certified stone. Do Amore Diamonds lists it at £1,209. 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 angle42.8°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669419529
Dimensions7.33 × 4.85 × 3.25 mm
L/W Ratio1.51
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
7.33 mm4.85 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669419529
Side View
Table 66.0%Crown 42.8°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.0%

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: £1,209 GBP|Low: £126 GBP|High: £1,209 GBP|Avg: £518 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
October 29, 2026
Retailer 4£126 GBP
Retailer 10£141 GBP
Retailer 5£244 GBP
Retailer 7£260 GBP
Retailer 19£296 GBP
Retailer 16£296 GBP
Retailer 2£311 GBP
Retailer 3£318 GBP
Retailer 9£337 GBP
Retailer 14£363 GBP
Retailer 17£421 GBP
Retailer 20£531 GBP
Retailer 12£598 GBP
Retailer 11£618 GBP
Retailer 15£650 GBP
Retailer 21£685 GBP
Retailer 13£811 GBP
Retailer 8£821 GBP
Retailer 18£837 GBP
Retailer 6£1,171 GBP
Do Amore Diamonds£1,209 GBP

44 data points across 21 retailers

29 retailers£126 GBP to £1,209 GBP

A
Retailer 1
-
£126 GBP
$168 USD
Price last confirmed 29 days ago
A
Retailer 2
-
£126 GBP
$168 USD
View
A
Retailer 3
-
£126 GBP
$168 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
£141 GBP
$188 USD
View
Final sale: no returns
A
Retailer 5
-
£146 GBP
$195 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
£154 GBP
$205 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
£156 GBP
$208 USD
View
Price last confirmed 26 days ago
A
Retailer 8
-
£244 GBP
$325 USD
View
A
Retailer 9
-
£260 GBP
HK$2,700 HKD
View
A
Retailer 10
-
£296 GBP
€375 EUR
View
A
Retailer 11
-
£296 GBP
ZAR 6,372 ZAR
View
A
Retailer 12
-
£311 GBP
View
A
Retailer 13
-
£318 GBP
$423 USD
View
A
Retailer 14
-
£337 GBP
$449 USD
View
A
Retailer 15
-
£363 GBP
$484 USD
View
A
Retailer 16
-
£421 GBP
A$862 AUD
View
B+
Retailer 17
-
£531 GBP
$707 USD
View
B+
Retailer 18
-
£554 GBP
$738 USD
View
B+
Retailer 19
-
£554 GBP
$738 USD
View
Price last confirmed 19 days ago
B+
Retailer 20
-
£554 GBP
$738 USD
View
Price last confirmed 29 days ago
B+
Retailer 21
-
£618 GBP
SGD 1,113 SGD
View
B+
Retailer 22
-
£650 GBP
A$1,331 AUD
View
B+
Retailer 23
-
£685 GBP
$912 USD
View
B+
Retailer 24
-
£811 GBP
View
B
Retailer 25
-
£821 GBP
$1,093 USD
View
B+
Retailer 26
-
£837 GBP
$1,115 USD
View
Price last confirmed 10 days ago
B
Retailer 27
-
£980 GBP
View
B
Retailer 28
-
£1,171 GBP
$1,560 USD
View
Most Expensive
B
Do Amore Diamonds
27-CCCCD6C5F · Oct 29
£1,209 GBP
$1,610 USD
View
28 more retailers have this diamond
Prices start from £126 GBPSave up to £1,083 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
£126 GBP