CaratHunter
Plans
Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG526273935

Shape and cutting style on the report: Round brilliant

Certificate IGI LG526273935

Diamond specifications and retailer prices

From €176 EUR
As of November 5, 2026
Save €1,089 EUR (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,265 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 LG526273935 or 526273935. Listed at 14 retailers as of November 5, 2026, with prices from €176 to €1,265, a €1,089 spread on the same certified stone. Brilliant Earth lists it at €1,265. 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 angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526273935
Dimensions7.37 × 7.35 × 4.52 mm
L/W Ratio1.00
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
7.37 mm7.35 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526273935
Side View
Table 59.0%Crown 35.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.4%

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 5
Current: €1,265 EUR|Low: €176 EUR|High: €1,265 EUR|Avg: €489 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8€176 EUR
Retailer 11€198 EUR
Retailer 9€218 EUR
Retailer 10€294 EUR
Retailer 2€395 EUR
Retailer 5€400 EUR
Retailer 3€447 EUR
Retailer 4€650 EUR
Retailer 7€705 EUR
Retailer 6€1,021 EUR
Brilliant Earth€1,265 EUR

44 data points across 11 retailers

14 retailers€176 EUR to €1,265 EUR

A
Cheapest Retailer
-
€176 EUR
A
Retailer 2
-
€198 EUR
View
Final sale: no returns
A
Retailer 3
-
€205 EUR
View
A
Retailer 4
-
€218 EUR
View
Retailer 5
-
€218 EUR
View
Price last confirmed 12 days ago
B+
Retailer 6
-
€294 EUR
View
A
Retailer 7
-
€395 EUR
View
A
Retailer 8
-
€400 EUR
View
A
Retailer 9
-
€447 EUR
View
B
Retailer 10
-
€650 EUR
View
B+
Retailer 11
-
€703 EUR
View
B+
Retailer 12
-
€705 EUR
View
B
Retailer 13
-
€1,021 EUR
View
Most Expensive
B
Brilliant Earth
16211586A · Nov 5
€1,265 EUR
$1,420 USD
View
13 more retailers have this diamond
Prices start from €176 EURSave up to €1,089 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
€176 EUR