CaratHunter
Plans
Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG706529079

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

Certificate IGI LG706529079

Diamond specifications and retailer prices

From £248 GBP
$330 USD
As of October 27, 2026
Save £2,012 GBP (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,260 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG706529079 or 706529079. Listed at 24 retailers as of October 27, 2026, with prices from £248 to £2,260, a £2,012 spread on the same certified stone. Brilliant Earth lists it at £2,260. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706529079
Dimensions8.52 × 5.73 × 3.61 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.52 mm5.73 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706529079
Side View
Table 64.0%Crown 43.5°Girdle: MED-STKPavilion 30.8°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
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: £2,260 GBP|Low: £243 GBP|High: £2,335 GBP|Avg: £1,013 GBP|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 10£276 GBP
Retailer 5£307 GBP
Retailer 12£410 GBP
Retailer 17£424 GBP
Retailer 7£559 GBP
Retailer 16£583 GBP
Retailer 2£612 GBP
Retailer 21£660 GBP
Retailer 8£735 GBP
Retailer 13£787 GBP
Retailer 20£1,011 GBP
Retailer 3£1,090 GBP
Retailer 4£1,158 GBP
Retailer 11£1,203 GBP
Retailer 9£1,208 GBP
Retailer 14£1,316 GBP
Retailer 15£1,332 GBP
Retailer 19£1,337 GBP
Retailer 18£1,637 GBP
Retailer 6£1,855 GBP
Brilliant Earth£2,260 GBP

41 data points across 21 retailers

24 retailers£248 GBP to £2,260 GBP

A
Cheapest Retailer
-
£248 GBP
$330 USD
A
Retailer 2
-
£276 GBP
$368 USD
View
Final sale: no returns
A
Retailer 3
-
£288 GBP
$383 USD
View
A
Retailer 4
-
£307 GBP
$409 USD
View
A
Retailer 5
-
£307 GBP
$409 USD
View
A
Retailer 6
-
£410 GBP
$546 USD
View
A
Retailer 7
-
£424 GBP
$565 USD
View
A
Retailer 8
-
£559 GBP
$744 USD
View
A
Retailer 9
-
£583 GBP
ZAR 12,535 ZAR
View
A
Retailer 10
-
£612 GBP
View
A
Retailer 11
-
£660 GBP
$879 USD
View
A
Retailer 12
-
£735 GBP
$979 USD
View
A
Retailer 13
-
£787 GBP
A$1,612 AUD
View
B+
Retailer 14
-
£1,011 GBP
CA$1,870 CAD
View
B+
Retailer 15
-
£1,090 GBP
$1,452 USD
View
B+
Retailer 16
-
£1,158 GBP
$1,542 USD
View
B+
Retailer 17
-
£1,203 GBP
$1,603 USD
View
B+
Retailer 18
-
£1,208 GBP
$1,608 USD
View
B+
Retailer 19
-
£1,316 GBP
View
B+
Retailer 20
-
£1,332 GBP
View
B+
Retailer 21
-
£1,337 GBP
$1,781 USD
View
B+
Retailer 22
-
£1,637 GBP
$2,180 USD
View
Price last confirmed 11 days ago
B
Retailer 23
-
£1,855 GBP
$2,470 USD
View
Most Expensive
B
Brilliant Earth
14294423Y · Oct 29
£2,260 GBP
$3,010 USD
View
23 more retailers have this diamond
Prices start from £248 GBPSave up to £2,012 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
£248 GBP