Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG749570657

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749570657

Diamond specifications and retailer prices

From €209 EUR
$234 USD
As of October 29, 2026
Save €956 EUR (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,165 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 LG749570657 or 749570657. Listed at 22 retailers as of October 29, 2026, with prices from €209 to €1,165, a €956 spread on the same certified stone. Reve Diamonds lists it at €1,165. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749570657
Dimensions7.35 × 7.29 × 4.53 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
7.35 mm7.29 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749570657
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.0%

Caratlytics Score

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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 29
Current: €488 EUR|Low: €200 EUR|High: €1,165 EUR|Avg: €530 EUR|+6.0%
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Retailer 18
Reve Diamonds
October 30, 2026
Retailer 7€209 EUR
Retailer 11€235 EUR
Retailer 15€243 EUR
Retailer 10€257 EUR
Retailer 4€260 EUR
Retailer 17€386 EUR
Retailer 5€439 EUR
Retailer 18€450 EUR
Retailer 12€451 EUR
Retailer 2€484 EUR
Retailer 1€488 EUR
Retailer 16€517 EUR
Retailer 14€678 EUR
Retailer 9€680 EUR
Retailer 8€834 EUR
Retailer 6€881 EUR
Retailer 3€967 EUR
Retailer 13€1,046 EUR
Reve Diamonds€1,165 EUR

38 data points across 19 retailers

22 retailers€209 EUR to €1,165 EUR

A
Cheapest Retailer
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€209 EUR
$234 USD
A
Retailer 2
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€235 EUR
$262 USD
View
Final sale: no returns
A
Retailer 3
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€243 EUR
$271 USD
View
Retailer 4
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€257 EUR
$287 USD
View
Price last confirmed 19 days ago
A
Retailer 5
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€260 EUR
$290 USD
View
A
Retailer 6
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€386 EUR
$431 USD
View
B+
Retailer 7
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€439 EUR
$491 USD
View
Retailer 8
-
€450 EUR
£396 GBP
View
Price last confirmed 14 days ago
A
Retailer 9
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€451 EUR
View
B+
Retailer 10
-
€484 EUR
$541 USD
View
B+
Retailer 11
-
€488 EUR
£429 GBP
View
B+
Retailer 12
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€517 EUR
A$888 AUD
View
B+
Retailer 13
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€678 EUR
$758 USD
View
B
Retailer 14
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€680 EUR
$760 USD
View
Retailer 15
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€827 EUR
$924 USD
View
Price last confirmed 40 days ago
B
Retailer 16
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€834 EUR
$932 USD
View
Retailer 17
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€837 EUR
$935 USD
View
Price last confirmed 9 days ago
B
Retailer 18
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€881 EUR
$984 USD
View
B
Retailer 19
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€922 EUR
$1,030 USD
View
Retailer 20
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€967 EUR
$1,080 USD
View
Price last confirmed 9 days ago
B
Retailer 21
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€1,046 EUR
£920 GBP
View
Most Expensive
B
Reve Diamonds
A2967E34E · Oct 30
€1,165 EUR
$1,302 USD
View
21 more retailers have this diamond
Prices start from €209 EURSave up to €956 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
€209 EUR