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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG749571539

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749571539

Diamond specifications and retailer prices

From £607 GBP
$813 USD
As of November 1, 2026
Save £3,110 GBP (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £5,389 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749571539 or 749571539. Listed at 24 retailers as of November 1, 2026, with a 513% 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

1.54
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749571539
Dimensions7.48 × 7.53 × 4.53 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
7.48 mm7.53 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749571539
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.3%

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: Nov 1
Current: £1,192 GBP|Low: £582 GBP|High: £3,754 GBP|Avg: £1,448 GBP|+1.0%
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
Retailer 14
Retailer 15
November 2, 2026
Retailer 2£607 GBP
Retailer 13£660 GBP
Retailer 14£704 GBP
Retailer 3£731 GBP
Retailer 5£836 GBP
Retailer 12£993 GBP
Retailer 10£1,063 GBP
Retailer 6£1,129 GBP
Retailer 1£1,192 GBP
Retailer 11£1,428 GBP
Retailer 4£1,578 GBP
Retailer 15£2,185 GBP
Retailer 7£2,202 GBP
Retailer 9£2,635 GBP
Retailer 8£3,717 GBP

36 data points across 15 retailers

24 retailers£607 GBP to £3,717 GBP

A
Cheapest Retailer
-
£607 GBP
$813 USD
A
Retailer 2
-
£658 GBP
$881 USD
View
A
Retailer 3
-
£660 GBP
$884 USD
View
Retailer 4
-
£704 GBP
$943 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£704 GBP
$943 USD
View
A
Retailer 6
-
£731 GBP
$979 USD
View
Final sale: no returns
B+
Retailer 7
-
£836 GBP
$1,120 USD
View
B+
Retailer 8
-
£879 GBP
$1,178 USD
View
B+
Retailer 9
-
£955 GBP
HK$10,000 HKD
View
B+
Retailer 10
-
£993 GBP
$1,330 USD
View
B+
Retailer 11
-
£1,063 GBP
View
B+
Retailer 12
-
£1,129 GBP
A$2,328 AUD
View
B+
Retailer 13
-
£1,192 GBP
View
B+
Retailer 14
-
£1,428 GBP
ZAR 30,910 ZAR
View
B
Retailer 15
-
£1,578 GBP
$2,114 USD
View
B
Retailer 16
-
£2,185 GBP
$2,927 USD
View
B
Retailer 17
-
£2,202 GBP
$2,950 USD
View
B
Retailer 18
-
£2,330 GBP
$3,122 USD
View
B
Retailer 19
-
£2,635 GBP
View
B
Retailer 20
-
£2,760 GBP
SGD 4,998 SGD
View
B
Retailer 21
-
£2,770 GBP
$3,711 USD
View
B
Retailer 22
-
£3,717 GBP
$4,980 USD
View
Most Expensive
Do Amore Diamonds
27-340C41D6A · Nov 1
£5,389 GBP
$7,220 USD
View
Price under review
22 more retailers have this diamond
Prices start from £607 GBPSave up to £3,110 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
1.54ct Round
£607 GBP