Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG776652956

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776652956

Diamond specifications and retailer prices

From €193 EUR
$216 USD
As of October 29, 2026
Save €921 EUR (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,114 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG776652956 or 776652956. Listed at 20 retailers as of October 29, 2026, with prices from €193 to €1,114, a €921 spread on the same certified stone. Reve Diamonds lists it at €1,114. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776652956
Dimensions7.27 × 7.33 × 4.54 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
7.27 mm7.33 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776652956
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: €488 EUR|Low: €185 EUR|High: €1,114 EUR|Avg: €502 EUR|+1.2%
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Retailer 18
Reve Diamonds
October 31, 2026
Retailer 17€193 EUR
Retailer 9€216 EUR
Retailer 3€225 EUR
Retailer 2€240 EUR
Retailer 7€240 EUR
Retailer 5€322 EUR
Retailer 4€380 EUR
Retailer 15€389 EUR
Retailer 12€415 EUR
Retailer 13€443 EUR
Retailer 8€467 EUR
Retailer 1€488 EUR
Retailer 11€586 EUR
Retailer 16€667 EUR
Retailer 6€771 EUR
Retailer 18€779 EUR
Retailer 10€818 EUR
Retailer 14€966 EUR
Reve Diamonds€1,114 EUR

41 data points across 19 retailers

20 retailers€193 EUR to €1,114 EUR

A
Cheapest Retailer
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€193 EUR
$216 USD
A
Retailer 2
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€216 EUR
$241 USD
View
Final sale: no returns
A
Retailer 3
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€225 EUR
$251 USD
View
A
Retailer 4
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€240 EUR
$268 USD
View
A
Retailer 5
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€240 EUR
$268 USD
View
B+
Retailer 6
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€322 EUR
$360 USD
View
A
Retailer 7
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€380 EUR
$425 USD
View
A
Retailer 8
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€389 EUR
View
A
Retailer 9
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€415 EUR
£365 GBP
View
A
Retailer 10
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€443 EUR
£390 GBP
View
B+
Retailer 11
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€467 EUR
$522 USD
View
A
Retailer 12
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€488 EUR
A$838 AUD
View
B+
Retailer 13
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€586 EUR
$655 USD
View
B
Retailer 14
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€622 EUR
$695 USD
View
B+
Retailer 15
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€667 EUR
$745 USD
View
B
Retailer 16
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€771 EUR
$861 USD
View
B
Retailer 17
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€779 EUR
$870 USD
View
B
Retailer 18
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€818 EUR
$914 USD
View
B
Retailer 19
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€966 EUR
£850 GBP
View
Most Expensive
B
Reve Diamonds
DDFA18ECD · Oct 30
€1,114 EUR
$1,245 USD
View
19 more retailers have this diamond
Prices start from €193 EURSave up to €921 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 Round
€193 EUR