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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG770636780

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636780

Diamond specifications and retailer prices

From €585 EUR
$656 USD
As of November 3, 2026
Save €2,660 EUR (82%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €4,413 EUR at Brilliant Earth · As of October 14, 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 LG770636780 or 770636780. Listed at 26 retailers as of November 2, 2026, with a 455% 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 angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636780
Dimensions7.46 × 7.50 × 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
7.46 mm7.50 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636780
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

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 3
Current: €3,245 EUR|Low: €547 EUR|High: €4,413 EUR|Avg: €1,336 EUR|-26.5%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 3, 2026
Retailer 2€585 EUR
Retailer 15€636 EUR
Retailer 12€654 EUR
Retailer 6€678 EUR
Retailer 16€678 EUR
Retailer 4€787 EUR
Retailer 10€896 EUR
Retailer 19€928 EUR
Retailer 3€972 EUR
Retailer 11€972 EUR
Retailer 8€989 EUR
Retailer 14€1,080 EUR
Retailer 18€1,085 EUR
Retailer 7€1,100 EUR
Retailer 17€1,246 EUR
Retailer 5€1,483 EUR
Retailer 13€1,906 EUR
Retailer 9€2,339 EUR
Retailer 20€2,857 EUR
Brilliant Earth€3,245 EUR

21 data points across 20 retailers

26 retailers€585 EUR to €3,245 EUR

A
Cheapest Retailer
-
€585 EUR
$656 USD
A
Retailer 2
-
€636 EUR
$713 USD
View
A
Retailer 3
-
€654 EUR
$734 USD
View
Final sale: no returns
Retailer 4
-
€678 EUR
$761 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
€678 EUR
$761 USD
View
A
Retailer 6
-
€787 EUR
HK$6,900 HKD
View
A
Retailer 7
-
€896 EUR
$1,005 USD
View
A
Retailer 8
-
€928 EUR
£819 GBP
View
B+
Retailer 9
-
€972 EUR
$1,090 USD
View
B+
Retailer 10
-
€972 EUR
$1,090 USD
View
B+
Retailer 11
-
€989 EUR
$1,109 USD
View
B+
Retailer 12
-
€1,080 EUR
£954 GBP
View
B+
Retailer 13
-
€1,085 EUR
View
B+
Retailer 14
-
€1,100 EUR
A$1,898 AUD
View
B+
Retailer 15
-
€1,246 EUR
ZAR 22,573 ZAR
View
B+
Retailer 16
-
€1,483 EUR
$1,663 USD
View
B
Retailer 17
-
€1,576 EUR
$1,768 USD
View
B+
Retailer 18
-
€1,906 EUR
$2,138 USD
View
B
Retailer 19
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€2,189 EUR
$2,455 USD
View
B
Retailer 20
-
€2,287 EUR
SGD 3,466 SGD
View
B
Retailer 21
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€2,313 EUR
$2,594 USD
View
B
Retailer 22
-
€2,339 EUR
$2,624 USD
View
B
Retailer 23
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€2,360 EUR
$2,647 USD
View
B
Retailer 24
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€2,857 EUR
£2,523 GBP
View
B
Retailer 25
-
€3,245 EUR
$3,640 USD
View
Most Expensive
Brilliant Earth
18937699A · Oct 14
€4,413 EUR
$4,950 USD
View
Price last confirmed 19 days ago
25 more retailers have this diamond
Prices start from €585 EURSave up to €2,660 EUR

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
€585 EUR