Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG825639467

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825639467

Diamond specifications and retailer prices

From £354 GBP
$474 USD
As of October 29, 2026
Save £1,527 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,989 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG825639467 or 825639467. Listed at 20 retailers as of October 29, 2026, with a 432% 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 angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825639467
Dimensions7.35 × 7.39 × 4.55 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
7.35 mm7.39 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825639467
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 29
Current: £1,989 GBP|Low: £354 GBP|High: £2,433 GBP|Avg: £943 GBP
Rare Carat
Retailer 2
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November 1, 2026
Retailer 20£354 GBP
Retailer 10£396 GBP
Retailer 18£396 GBP
Retailer 15£439 GBP
Retailer 11£452 GBP
Retailer 9£478 GBP
Retailer 2£562 GBP
Retailer 5£586 GBP
Retailer 16£586 GBP
Retailer 7£615 GBP
Retailer 14£656 GBP
Retailer 13£720 GBP
Retailer 4£754 GBP
Retailer 8£1,180 GBP
Retailer 6£1,385 GBP
Retailer 17£1,411 GBP
Retailer 12£1,582 GBP
Retailer 3£1,621 GBP
Retailer 19£1,881 GBP
Rare Carat£1,989 GBP

17 data points across 20 retailers

20 retailers£354 GBP to £1,881 GBP

A+
Cheapest Retailer
-
£354 GBP
$474 USD
A
Retailer 2
-
£396 GBP
$531 USD
View
Final sale: no returns
A
Retailer 3
-
£396 GBP
$531 USD
View
A
Retailer 4
-
£439 GBP
$588 USD
View
Retailer 5
-
£452 GBP
$605 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
£478 GBP
HK$5,000 HKD
View
A
Retailer 7
-
£562 GBP
View
A
Retailer 8
-
£586 GBP
$785 USD
View
A
Retailer 9
-
£586 GBP
$785 USD
View
A
Retailer 10
-
£615 GBP
$824 USD
View
A
Retailer 11
-
£656 GBP
€837 EUR
View
A
Retailer 12
-
£720 GBP
View
A
Retailer 13
-
£754 GBP
ZAR 16,329 ZAR
View
B+
Retailer 14
-
£1,180 GBP
$1,581 USD
View
B+
Retailer 15
-
£1,385 GBP
SGD 2,507 SGD
View
B
Retailer 16
-
£1,411 GBP
$1,891 USD
View
B
Retailer 17
-
£1,582 GBP
$2,120 USD
View
B+
Retailer 18
-
£1,621 GBP
View
B
Retailer 19
-
£1,881 GBP
$2,520 USD
View
Most Expensive
Rare Carat
X235-11_l_825639467 · Oct 18
£1,989 GBP
$2,665 USD
View
Price last confirmed 14 days ago
19 more retailers have this diamond
Prices start from £354 GBPSave up to £1,527 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
£354 GBP