Radiant|Lab Grown|IGI

1.07ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG534240368

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

Certificate IGI LG534240368

Diamond specifications and retailer prices

From £173 GBP
$232 USD
As of October 30, 2026
Save £680 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,433 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.07ct lab-grown radiant diamond

This 1.07ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG534240368 or 534240368. Listed at 19 retailers as of October 30, 2026, with a 393% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.07
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534240368
Dimensions7.53 × 5.11 × 3.34 mm
L/W Ratio1.47
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
7.53 mm5.11 mm1.07 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534240368
Side View
Table 65.0%Crown 39.7°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 65.4%

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 30
Current: £1,433 GBP|Low: £118 GBP|High: £1,493 GBP|Avg: £462 GBP|+40.1%
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
Retailer 13
November 2, 2026
Retailer 9£173 GBP
Retailer 10£196 GBP
Retailer 11£260 GBP
Retailer 7£264 GBP
Retailer 3£285 GBP
Retailer 13£351 GBP
Retailer 2£379 GBP
Retailer 5£440 GBP
Retailer 4£554 GBP
Retailer 12£676 GBP
Retailer 8£784 GBP
Retailer 6£853 GBP
Do Amore Diamonds£1,433 GBP

40 data points across 13 retailers

19 retailers£173 GBP to £853 GBP

Retailer 1
-
£106 GBP
$142 USD
Price last confirmed 14 days ago
Retailer 2
-
£123 GBP
$165 USD
View
Price last confirmed 19 days ago
Retailer 3
-
£132 GBP
$177 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£132 GBP
$177 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
£173 GBP
$232 USD
View
Final sale: no returns
A
Retailer 6
-
£196 GBP
$263 USD
View
A
Retailer 7
-
£260 GBP
$348 USD
View
A
Retailer 8
-
£264 GBP
View
Retailer 9
-
£285 GBP
View
Price last confirmed 24 days ago
B+
Retailer 10
-
£351 GBP
$470 USD
View
B+
Retailer 11
-
£379 GBP
View
B+
Retailer 12
-
£387 GBP
CA$720 CAD
View
Retailer 13
-
£440 GBP
$590 USD
View
Price last confirmed 31 days ago
Retailer 14
-
£468 GBP
$627 USD
View
Price last confirmed 16 days ago
B
Retailer 15
-
£554 GBP
$742 USD
View
B
Retailer 16
-
£676 GBP
SGD 1,224 SGD
View
B
Retailer 17
-
£784 GBP
$1,050 USD
View
B
Retailer 18
-
£853 GBP
View
Most Expensive
Do Amore Diamonds
27-CA20038ED · Nov 1
£1,433 GBP
$1,920 USD
View
Price under review
18 more retailers have this diamond
Prices start from £173 GBPSave up to £680 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
1.07ct Radiant
£173 GBP