Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG669457830

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

Certificate IGI LG669457830

Diamond specifications and retailer prices

From £487 GBP
$649 USD
As of October 28, 2026
Save £3,162 GBP (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £3,650 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.59ct lab-grown radiant diamond

This 1.59ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG669457830 or 669457830. Listed at 25 retailers as of October 28, 2026, with prices from £487 to £3,650, a £3,162 spread on the same certified stone. Do Amore Diamonds lists it at £3,650. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669457830
Dimensions5.85 × 5.85 × 3.95 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.85 mm5.85 mm1.59 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669457830
Side View
Table 64.0%Crown 45.9°Girdle: MediumPavilion 36.1°Culet: NoneDepth 67.5%

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 28
Current: £3,650 GBP|Low: £395 GBP|High: £3,650 GBP|Avg: £1,211 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 19
October 30, 2026
Retailer 5£412 GBP
Retailer 10£487 GBP
Retailer 7£510 GBP
Retailer 18£510 GBP
Retailer 14£552 GBP
Retailer 13£583 GBP
Retailer 9£608 GBP
Retailer 8£675 GBP
Retailer 2£881 GBP
Retailer 12£967 GBP
Retailer 6£1,305 GBP
Retailer 19£1,316 GBP
Retailer 16£1,319 GBP
Retailer 11£1,637 GBP
Retailer 4£1,642 GBP
Retailer 3£1,718 GBP
Retailer 15£2,447 GBP
Retailer 17£2,726 GBP
Do Amore Diamonds£3,650 GBP

44 data points across 19 retailers

25 retailers£487 GBP to £3,650 GBP

Retailer 1
-
£412 GBP
$548 USD
Price last confirmed 22 days ago
Retailer 2
-
£460 GBP
$613 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
£487 GBP
$649 USD
View
Final sale: no returns
Retailer 4
-
£510 GBP
$679 USD
View
Price last confirmed 14 days ago
Retailer 5
-
£510 GBP
$679 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
£552 GBP
$735 USD
View
A
Retailer 7
-
£583 GBP
View
A
Retailer 8
-
£608 GBP
$809 USD
View
A
Retailer 9
-
£675 GBP
$899 USD
View
A
Retailer 10
-
£695 GBP
$926 USD
View
B+
Retailer 11
-
£881 GBP
View
B+
Retailer 12
-
£967 GBP
ZAR 20,814 ZAR
View
Retailer 13
-
£1,305 GBP
A$2,673 AUD
View
Price last confirmed 22 days ago
B
Retailer 14
-
£1,316 GBP
$1,753 USD
View
Retailer 15
-
£1,319 GBP
A$2,702 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
£1,481 GBP
$1,972 USD
View
Retailer 17
-
£1,481 GBP
$1,972 USD
View
Price last confirmed 29 days ago
B
Retailer 18
-
£1,637 GBP
View
B
Retailer 19
-
£1,642 GBP
$2,187 USD
View
B
Retailer 20
-
£1,718 GBP
$2,288 USD
View
B
Retailer 21
-
£1,878 GBP
View
B
Retailer 22
-
£1,908 GBP
$2,541 USD
View
B
Retailer 23
-
£2,447 GBP
View
Retailer 24
-
£2,726 GBP
$3,630 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-0FD93D7F4 · Oct 30
£3,650 GBP
$4,860 USD
View
24 more retailers have this diamond
Prices start from £487 GBPSave up to £3,162 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
1.59ct Radiant
£487 GBP