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Radiant|Lab Grown|IGI

1.17ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG726538573

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

Certificate IGI LG726538573

Diamond specifications and retailer prices

From £222 GBP
$297 USD
As of October 30, 2026
Save £1,399 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,620 GBP at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 1.17ct lab-grown radiant diamond

This 1.17ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG726538573 or 726538573. Listed at 20 retailers as of October 30, 2026, with prices from £222 to £1,620, a £1,399 spread on the same certified stone. Yadav Diamonds lists it at £1,620. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726538573
Dimensions7.63 × 5.11 × 3.37 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.63 mm5.11 mm1.17 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726538573
Side View
Table 68.0%Crown 47°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 65.9%

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: £353 GBP|Low: £154 GBP|High: £1,373 GBP|Avg: £577 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 13£222 GBP
Retailer 4£290 GBP
Retailer 1£353 GBP
Retailer 9£366 GBP
Retailer 6£471 GBP
Retailer 12£487 GBP
Retailer 7£530 GBP
Retailer 10£558 GBP
Retailer 8£598 GBP
Retailer 2£759 GBP
Retailer 11£829 GBP
Retailer 3£982 GBP
Retailer 5£1,373 GBP

40 data points across 13 retailers

20 retailers£222 GBP to £1,620 GBP

Retailer 1
-
£196 GBP
$263 USD
Price last confirmed 21 days ago
A
Retailer 2
-
£222 GBP
$297 USD
View
Final sale: no returns
Retailer 3
-
£228 GBP
$305 USD
View
Price last confirmed 18 days ago
Retailer 4
-
£243 GBP
$326 USD
View
Price last confirmed 20 days ago
Retailer 5
-
£243 GBP
$326 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
£290 GBP
$388 USD
View
A
Retailer 7
-
£353 GBP
€450 EUR
View
A
Retailer 8
-
£366 GBP
$490 USD
View
A
Retailer 9
-
£471 GBP
View
A
Retailer 10
-
£487 GBP
$653 USD
View
B+
Retailer 11
-
£530 GBP
$710 USD
View
B+
Retailer 12
-
£558 GBP
$747 USD
View
B+
Retailer 13
-
£565 GBP
$757 USD
View
B+
Retailer 14
-
£598 GBP
A$1,233 AUD
View
B+
Retailer 15
-
£759 GBP
SGD 1,375 SGD
View
Retailer 16
-
£784 GBP
$1,050 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
£829 GBP
$1,110 USD
View
Retailer 18
-
£982 GBP
View
Price last confirmed 13 days ago
B
Retailer 19
-
£1,373 GBP
$1,840 USD
View
Most Expensive
B
Yadav Diamonds
13005001 · Oct 30
£1,620 GBP
$2,171 USD
View
19 more retailers have this diamond
Prices start from £222 GBPSave up to £1,399 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
1.17ct Radiant
£222 GBP