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Round|Lab Grown|IGI

1.53ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG781617083

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781617083

Diamond specifications and retailer prices

From £348 GBP
$466 USD
As of October 29, 2026
Save £1,921 GBP (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,269 GBP at Brilliant Earth · As of October 30, 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 LG781617083 or 781617083. Listed at 25 retailers as of October 29, 2026, with prices from £348 to £2,269, a £1,921 spread on the same certified stone. Brilliant Earth lists it at £2,269. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781617083
Dimensions7.32 × 7.37 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.32 mm7.37 mm1.53 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781617083
Side View
Table 57.0%Crown 36.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.4%

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 29
Current: £2,269 GBP|Low: £334 GBP|High: £2,776 GBP|Avg: £858 GBP|-18.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 4£348 GBP
Retailer 2£389 GBP
Retailer 7£390 GBP
Retailer 6£431 GBP
Retailer 3£468 GBP
Retailer 16£537 GBP
Retailer 8£578 GBP
Retailer 12£650 GBP
Retailer 14£651 GBP
Retailer 5£688 GBP
Retailer 9£707 GBP
Retailer 15£741 GBP
Retailer 10£985 GBP
Retailer 13£1,593 GBP
Retailer 11£1,614 GBP
Brilliant Earth£2,269 GBP

33 data points across 16 retailers

25 retailers£348 GBP to £2,269 GBP

A
Cheapest Retailer
-
£348 GBP
$466 USD
A
Retailer 2
-
£389 GBP
$521 USD
View
Final sale: no returns
A
Retailer 3
-
£390 GBP
$522 USD
View
A
Retailer 4
-
£431 GBP
$578 USD
View
Retailer 5
-
£431 GBP
$578 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£468 GBP
HK$4,900 HKD
View
A
Retailer 7
-
£537 GBP
$720 USD
View
A
Retailer 8
-
£578 GBP
$775 USD
View
A
Retailer 9
-
£650 GBP
View
A
Retailer 10
-
£651 GBP
€831 EUR
View
A
Retailer 11
-
£663 GBP
$889 USD
View
A
Retailer 12
-
£688 GBP
A$1,418 AUD
View
A
Retailer 13
-
£707 GBP
View
A
Retailer 14
-
£709 GBP
$950 USD
View
A
Retailer 15
-
£741 GBP
ZAR 16,050 ZAR
View
B+
Retailer 16
-
£985 GBP
$1,320 USD
View
Retailer 17
-
£1,128 GBP
$1,511 USD
View
Price last confirmed 45 days ago
B
Retailer 18
-
£1,367 GBP
SGD 2,475 SGD
View
B
Retailer 19
-
£1,387 GBP
$1,858 USD
View
B
Retailer 20
-
£1,409 GBP
$1,889 USD
View
B
Retailer 21
-
£1,449 GBP
$1,942 USD
View
B
Retailer 22
-
£1,525 GBP
$2,043 USD
View
B+
Retailer 23
-
£1,593 GBP
View
B
Retailer 24
-
£1,614 GBP
$2,163 USD
View
Most Expensive
B
Brilliant Earth
19883803A · Oct 30
£2,269 GBP
$3,040 USD
View
24 more retailers have this diamond
Prices start from £348 GBPSave up to £1,921 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
£348 GBP