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Radiant|Lab Grown|IGI

1.50ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG474119436

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

Certificate IGI LG474119436

Diamond specifications and retailer prices

From €167 EUR
$187 USD
As of October 27, 2026
Save €1,444 EUR (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,611 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown radiant diamond

This 1.5ct 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 top-tier cut grade and certified by IGI LG474119436 or 474119436. Listed at 9 retailers as of October 27, 2026, with prices from €167 to €1,611, a €1,444 spread on the same certified stone. Do Amore Diamonds lists it at €1,611. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474119436
Dimensions7.25 × 5.78 × 3.96 mm
L/W Ratio1.25
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
7.25 mm5.78 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474119436
Side View
Table 68.5%Crown 44.8°Girdle: MED-STKPavilion 32.3°Culet: NoneDepth 68.5%

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 27
Current: €1,611 EUR|Low: €130 EUR|High: €1,629 EUR|Avg: €662 EUR|-1.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6€167 EUR
Retailer 8€188 EUR
Retailer 7€365 EUR
Retailer 3€409 EUR
Retailer 9€469 EUR
Retailer 12€491 EUR
Retailer 4€568 EUR
Retailer 5€671 EUR
Retailer 10€694 EUR
Retailer 2€925 EUR
Retailer 11€1,244 EUR
Do Amore Diamonds€1,611 EUR

15 data points across 12 retailers

9 retailers€167 EUR to €1,611 EUR

A
Cheapest Retailer
-
€167 EUR
$187 USD
A
Retailer 2
-
€188 EUR
$210 USD
View
Final sale: no returns
A
Retailer 3
-
€194 EUR
$217 USD
View
B+
Retailer 4
-
€365 EUR
$408 USD
View
B
Retailer 5
-
€671 EUR
$750 USD
View
B
Retailer 6
-
€738 EUR
$825 USD
View
B
Retailer 7
-
€814 EUR
£716 GBP
View
B
Retailer 8
-
€925 EUR
£814 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E16B57DA1 · Oct 29
€1,611 EUR
$1,800 USD
View
8 more retailers have this diamond
Prices start from €167 EURSave up to €1,444 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
1.50ct Radiant
€167 EUR