Radiant|Lab Grown|IGI

1.16ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG687558590

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

Certificate IGI LG687558590

Diamond specifications and retailer prices

From £182 GBP
$242 USD
As of October 30, 2026
Save £849 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,030 GBP at Michael Trio · As of October 29, 2026
View at Michael Trio

About this 1.16ct lab-grown radiant diamond

This 1.16ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG687558590 or 687558590. Listed at 15 retailers as of October 29, 2026, with prices from £182 to £1,030, a £849 spread on the same certified stone. Michael Trio lists it at £1,030. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.16
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687558590
Dimensions7.52 × 5.17 × 3.37 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.52 mm5.17 mm1.16 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687558590
Side View
Table 62.0%Crown 41.4°Girdle: ThickPavilion 32°Culet: NoneDepth 65.2%

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 30
Current: £1,030 GBP|Low: £108 GBP|High: £1,030 GBP|Avg: £446 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9£108 GBP
Retailer 8£182 GBP
Retailer 10£312 GBP
Retailer 7£347 GBP
Retailer 3£347 GBP
Retailer 2£375 GBP
Retailer 4£494 GBP
Retailer 5£653 GBP
Retailer 6£814 GBP
Michael Trio£1,030 GBP

38 data points across 10 retailers

15 retailers£182 GBP to £1,030 GBP

Retailer 1
-
£163 GBP
$217 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£182 GBP
$242 USD
View
Final sale: no returns
Retailer 3
-
£189 GBP
$252 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£202 GBP
$269 USD
View
Price last confirmed 22 days ago
Retailer 5
-
£202 GBP
$269 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
£312 GBP
$415 USD
View
B+
Retailer 7
-
£347 GBP
$462 USD
View
A
Retailer 8
-
£347 GBP
ZAR 7,473 ZAR
View
Retailer 9
-
£367 GBP
View
Price last confirmed 16 days ago
B+
Retailer 10
-
£375 GBP
View
B+
Retailer 11
-
£494 GBP
A$1,012 AUD
View
Retailer 12
-
£650 GBP
$866 USD
View
Price last confirmed 29 days ago
B
Retailer 13
-
£653 GBP
$869 USD
View
B
Retailer 14
-
£814 GBP
View
Most Expensive
B
Michael Trio
2099604183 · Oct 29
£1,030 GBP
SGD 1,854 SGD
View
14 more retailers have this diamond
Prices start from £182 GBPSave up to £849 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
1.16ct Radiant
£182 GBP