Round|Lab Grown|IGI

1.53ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816602717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816602717

Diamond specifications and retailer prices

From £369 GBP
$494 USD
As of October 30, 2026
Save £1,161 GBP (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,276 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816602717 or 816602717. Listed at 23 retailers as of October 30, 2026, with a 315% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816602717
Dimensions7.48 × 7.43 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.48 mm7.43 mm1.53 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816602717
Side View
Table 55.0%Crown 33.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

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: £2,276 GBP|Low: £354 GBP|High: £2,276 GBP|Avg: £1,009 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 31, 2026
Retailer 9£354 GBP
Retailer 4£369 GBP
Retailer 10£439 GBP
Retailer 2£575 GBP
Retailer 17£575 GBP
Retailer 14£650 GBP
Retailer 11£673 GBP
Retailer 16£702 GBP
Retailer 3£703 GBP
Retailer 5£947 GBP
Retailer 12£978 GBP
Retailer 6£1,338 GBP
Retailer 8£1,411 GBP
Retailer 18£1,466 GBP
Retailer 15£1,509 GBP
Retailer 13£1,529 GBP
Retailer 7£1,993 GBP
Brilliant Earth£2,276 GBP

37 data points across 18 retailers

23 retailers£369 GBP to £1,529 GBP

Retailer 1
-
£348 GBP
$466 USD
Price last confirmed 20 days ago
Retailer 2
-
£354 GBP
$474 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
£369 GBP
$494 USD
View
Final sale: no returns
Retailer 4
-
£396 GBP
$531 USD
View
Price last confirmed 38 days ago
Retailer 5
-
£431 GBP
$578 USD
View
Price last confirmed 28 days ago
Retailer 6
-
£431 GBP
$578 USD
View
Price last confirmed 18 days ago
Retailer 7
-
£434 GBP
$581 USD
View
Price last confirmed 36 days ago
A
Retailer 8
-
£575 GBP
$770 USD
View
A
Retailer 9
-
£575 GBP
$770 USD
View
A
Retailer 10
-
£650 GBP
€829 EUR
View
A
Retailer 11
-
£673 GBP
View
A
Retailer 12
-
£702 GBP
ZAR 15,196 ZAR
View
A
Retailer 13
-
£703 GBP
$942 USD
View
B+
Retailer 14
-
£947 GBP
$1,268 USD
View
B+
Retailer 15
-
£978 GBP
$1,310 USD
View
B+
Retailer 16
-
£1,338 GBP
$1,793 USD
View
Retailer 17
-
£1,387 GBP
$1,858 USD
View
Price last confirmed 23 days ago
Retailer 18
-
£1,411 GBP
$1,891 USD
View
Price last confirmed 34 days ago
B
Retailer 19
-
£1,466 GBP
$1,964 USD
View
B+
Retailer 20
-
£1,509 GBP
View
B
Retailer 21
-
£1,529 GBP
$2,049 USD
View
Retailer 22
-
£1,993 GBP
$2,670 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
20912757A · Oct 22
£2,276 GBP
$3,050 USD
View
Price last confirmed 8 days ago
22 more retailers have this diamond
Prices start from £369 GBPSave up to £1,161 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
1.53ct Round
£369 GBP