Round|Lab Grown|IGI

1.50ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG520297333

Shape and cutting style on the report: Round brilliant

Certificate IGI LG520297333

Diamond specifications and retailer prices

From €291 EUR
$325 USD
As of October 29, 2026
Save €2,296 EUR (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,587 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG520297333 or 520297333. Listed at 18 retailers as of October 29, 2026, with prices from €291 to €2,587, a €2,296 spread on the same certified stone. Do Amore Diamonds lists it at €2,587. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520297333
Dimensions7.39 × 7.49 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.39 mm7.49 mm1.50 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520297333
Side View
Table 62.5%Crown 33°Girdle: MediumPavilion 41.4°Culet: NoneDepth 59.7%

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: Oct 29
Current: €2,587 EUR|Low: €291 EUR|High: €2,587 EUR|Avg: €843 EUR|+0.3%
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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 17€291 EUR
Retailer 14€337 EUR
Retailer 2€358 EUR
Retailer 4€361 EUR
Retailer 12€361 EUR
Retailer 18€413 EUR
Retailer 6€497 EUR
Retailer 7€595 EUR
Retailer 9€620 EUR
Retailer 11€645 EUR
Retailer 15€658 EUR
Retailer 10€719 EUR
Retailer 16€1,059 EUR
Retailer 8€1,085 EUR
Retailer 5€1,281 EUR
Retailer 3€1,422 EUR
Retailer 13€1,559 EUR
Do Amore Diamonds€2,587 EUR

14 data points across 18 retailers

18 retailers€291 EUR to €2,587 EUR

A
Cheapest Retailer
-
€291 EUR
$325 USD
A
Retailer 2
-
€337 EUR
$377 USD
View
B+
Retailer 3
-
€358 EUR
$400 USD
View
A
Retailer 4
-
€361 EUR
$403 USD
View
A
Retailer 5
-
€361 EUR
$403 USD
View
A
Retailer 6
-
€413 EUR
$461 USD
View
A
Retailer 7
-
€497 EUR
$555 USD
View
Retailer 8
-
€595 EUR
$665 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
€620 EUR
$693 USD
View
A
Retailer 10
-
€645 EUR
£567 GBP
View
A
Retailer 11
-
€658 EUR
$735 USD
View
A
Retailer 12
-
€719 EUR
$803 USD
View
A
Retailer 13
-
€1,059 EUR
$1,183 USD
View
A
Retailer 14
-
€1,085 EUR
$1,212 USD
View
B+
Retailer 15
-
€1,281 EUR
$1,431 USD
View
B+
Retailer 16
-
€1,422 EUR
$1,588 USD
View
B+
Retailer 17
-
€1,559 EUR
£1,371 GBP
View
Most Expensive
B
Do Amore Diamonds
27-464651565 · Oct 31
€2,587 EUR
$2,890 USD
View
17 more retailers have this diamond
Prices start from €291 EURSave up to €2,296 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
€291 EUR