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Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG566331217

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG566331217

Diamond specifications and retailer prices

From €494 EUR
$552 USD
As of November 1, 2026
Save €1,802 EUR (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,296 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG566331217 or 566331217. Listed at 13 retailers as of October 29, 2026, with prices from €494 to €2,296, a €1,802 spread on the same certified stone. MOH London lists it at €2,296. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566331217
Dimensions7.42 × 5.68 × 3.88 mm
L/W Ratio1.31
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
7.42 mm5.68 mm1.54 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566331217
Side View
Table 68.0%Crown 41.2°Girdle: MediumPavilion 30°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,296 EUR|Low: €353 EUR|High: €2,311 EUR|Avg: €897 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8€441 EUR
Retailer 3€494 EUR
Retailer 12€494 EUR
Retailer 4€546 EUR
Retailer 9€547 EUR
Retailer 7€671 EUR
Retailer 5€797 EUR
Retailer 11€851 EUR
Retailer 2€910 EUR
Retailer 10€1,439 EUR
Retailer 6€1,471 EUR
MOH London€2,296 EUR

44 data points across 12 retailers

13 retailers€494 EUR to €2,296 EUR

Retailer 1
-
€441 EUR
$493 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
€494 EUR
$552 USD
View
Final sale: no returns
Retailer 3
-
€494 EUR
$552 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€546 EUR
$610 USD
View
B+
Retailer 5
-
€547 EUR
$611 USD
View
B+
Retailer 6
-
€671 EUR
$750 USD
View
B
Retailer 7
-
€797 EUR
View
B
Retailer 8
-
€851 EUR
$951 USD
View
B
Retailer 9
-
€910 EUR
£800 GBP
View
B
Retailer 10
-
€1,272 EUR
£1,119 GBP
View
Retailer 11
-
€1,439 EUR
$1,608 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
€1,471 EUR
$1,643 USD
View
Most Expensive
B
MOH London
LG566331217 · Oct 29
€2,296 EUR
£2,020 GBP
View
12 more retailers have this diamond
Prices start from €494 EURSave up to €1,802 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.

B+
1.54ct Radiant
€494 EUR