CaratHunter
Plans
Radiant|Lab Grown|IGI

1.80ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG752545505

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

Certificate IGI LG752545505

Diamond specifications and retailer prices

From £129 GBP
$173 USD
As of November 2, 2026
Save £1,108 GBP (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,237 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown radiant diamond

This 1.8ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG752545505 or 752545505. Listed at 8 retailers as of November 2, 2026, with prices from £129 to £1,237, a £1,108 spread on the same certified stone. Do Amore Diamonds lists it at £1,237. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.80
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752545505
Dimensions8.65 × 6.08 × 3.96 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.65 mm6.08 mm1.80 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752545505
Side View
Table 65.0%Crown 40.1°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 65.1%

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: Nov 2
Current: £1,237 GBP|Low: £124 GBP|High: £1,237 GBP|Avg: £547 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5£129 GBP
Retailer 8£150 GBP
Retailer 7£285 GBP
Retailer 9£419 GBP
Retailer 3£459 GBP
Retailer 4£543 GBP
Retailer 6£568 GBP
Retailer 10£626 GBP
Retailer 11£697 GBP
Retailer 2£825 GBP
Do Amore Diamonds£1,237 GBP

12 data points across 11 retailers

8 retailers£129 GBP to £1,237 GBP

A
Cheapest Retailer
-
£129 GBP
$173 USD
A
Retailer 2
-
£150 GBP
$201 USD
View
B+
Retailer 3
-
£285 GBP
$382 USD
View
A
Retailer 4
-
£419 GBP
$562 USD
View
B+
Retailer 5
-
£543 GBP
$729 USD
View
B+
Retailer 6
-
£568 GBP
$762 USD
View
B+
Retailer 7
-
£825 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B0F210A1C · Nov 2
£1,237 GBP
$1,660 USD
View
7 more retailers have this diamond
Prices start from £129 GBPSave up to £1,108 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
1.80ct Radiant
£129 GBP