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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG756572685

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756572685

Diamond specifications and retailer prices

From £658 GBP
$881 USD
As of October 30, 2026
Save £3,000 GBP (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £5,389 GBP at Do Amore Diamonds · As of October 30, 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 LG756572685 or 756572685. Listed at 25 retailers as of October 29, 2026, with a 456% 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 angle33.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756572685
Dimensions7.52 × 7.47 × 4.49 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
7.52 mm7.47 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756572685
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.0%

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: £1,182 GBP|Low: £660 GBP|High: £3,754 GBP|Avg: £1,536 GBP|+2.0%
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
October 31, 2026
Retailer 4£660 GBP
Retailer 2£704 GBP
Retailer 12£731 GBP
Retailer 15£836 GBP
Retailer 7£879 GBP
Retailer 11£993 GBP
Retailer 8£1,066 GBP
Retailer 3£1,129 GBP
Retailer 1£1,182 GBP
Retailer 10£1,428 GBP
Retailer 14£1,578 GBP
Retailer 5£2,202 GBP
Retailer 9£2,649 GBP
Retailer 6£2,760 GBP
Retailer 13£3,657 GBP

39 data points across 15 retailers

25 retailers£658 GBP to £3,657 GBP

Retailer 1
-
£607 GBP
$813 USD
Price last confirmed 33 days ago
A
Retailer 2
-
£658 GBP
$881 USD
View
Retailer 3
-
£660 GBP
$884 USD
View
Price last confirmed 12 days ago
Retailer 4
-
£694 GBP
$930 USD
View
Price last confirmed 33 days ago
Retailer 5
-
£704 GBP
$943 USD
View
Price last confirmed 15 days ago
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
-
£1,066 GBP
View
B+
Retailer 12
-
£1,129 GBP
A$2,328 AUD
View
B+
Retailer 13
-
£1,182 GBP
View
B+
Retailer 14
-
£1,428 GBP
ZAR 30,910 ZAR
View
B
Retailer 15
-
£1,578 GBP
$2,114 USD
View
Retailer 16
-
£2,185 GBP
$2,927 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
£2,202 GBP
$2,950 USD
View
B
Retailer 18
-
£2,330 GBP
$3,122 USD
View
B
Retailer 19
-
£2,649 GBP
View
B
Retailer 20
-
£2,760 GBP
SGD 4,998 SGD
View
B
Retailer 21
-
£2,770 GBP
$3,711 USD
View
Retailer 22
-
£3,426 GBP
$4,590 USD
View
Price last confirmed 30 days ago
B
Retailer 23
-
£3,657 GBP
$4,900 USD
View
Most Expensive
Do Amore Diamonds
27-D7E0D6663 · Oct 30
£5,389 GBP
$7,220 USD
View
Price under review
23 more retailers have this diamond
Prices start from £658 GBPSave up to £3,000 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
£658 GBP