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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG772671517

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772671517

Diamond specifications and retailer prices

From £559 GBP
$749 USD
As of October 30, 2026
Save £2,277 GBP (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,836 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG772671517 or 772671517. Listed at 23 retailers as of October 30, 2026, with prices from £559 to £2,836, a £2,277 spread on the same certified stone. Brilliant Earth lists it at £2,836. 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 angle32.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772671517
Dimensions7.43 × 7.47 × 4.48 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
7.43 mm7.47 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772671517
Side View
Table 58.0%Crown 32.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
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: £2,836 GBP|Low: £480 GBP|High: £3,694 GBP|Avg: £1,432 GBP|-23.2%
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
November 1, 2026
Retailer 15£500 GBP
Retailer 5£580 GBP
Retailer 10£713 GBP
Retailer 7£761 GBP
Retailer 2£793 GBP
Retailer 3£828 GBP
Retailer 12£892 GBP
Retailer 8£924 GBP
Retailer 13£1,065 GBP
Retailer 14£1,295 GBP
Retailer 4£1,869 GBP
Retailer 6£1,949 GBP
Retailer 11£2,455 GBP
Retailer 9£2,732 GBP
Brilliant Earth£2,836 GBP

40 data points across 15 retailers

23 retailers£559 GBP to £2,836 GBP

Retailer 1
-
£500 GBP
$670 USD
Price last confirmed 21 days ago
Retailer 2
-
£543 GBP
$728 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£559 GBP
$749 USD
View
Final sale: no returns
Retailer 4
-
£580 GBP
$777 USD
View
Price last confirmed 29 days ago
Retailer 5
-
£580 GBP
$777 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
£713 GBP
$955 USD
View
B+
Retailer 7
-
£761 GBP
$1,020 USD
View
A
Retailer 8
-
£793 GBP
View
B+
Retailer 9
-
£828 GBP
$1,110 USD
View
B+
Retailer 10
-
£831 GBP
$1,114 USD
View
B+
Retailer 11
-
£892 GBP
A$1,838 AUD
View
B+
Retailer 12
-
£924 GBP
View
B+
Retailer 13
-
£1,065 GBP
ZAR 23,063 ZAR
View
B+
Retailer 14
-
£1,295 GBP
$1,735 USD
View
Retailer 15
-
£1,630 GBP
$2,184 USD
View
Price last confirmed 24 days ago
B
Retailer 16
-
£1,869 GBP
$2,504 USD
View
B
Retailer 17
-
£1,949 GBP
SGD 3,529 SGD
View
B
Retailer 18
-
£1,978 GBP
$2,650 USD
View
B
Retailer 19
-
£2,000 GBP
$2,679 USD
View
B
Retailer 20
-
£2,009 GBP
$2,692 USD
View
B
Retailer 21
-
£2,455 GBP
View
B
Retailer 22
-
£2,732 GBP
€3,486 EUR
View
Most Expensive
B
Brilliant Earth
19018758A · Oct 31
£2,836 GBP
$3,800 USD
View
22 more retailers have this diamond
Prices start from £559 GBPSave up to £2,277 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
£559 GBP