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Round|Lab Grown|IGI

1.50ct I SI2 Round Lab Grown Diamond

VG • I/SI2 • IGI LG451055592

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055592

Diamond specifications and retailer prices

From €761 EUR
$850 USD
As of October 31, 2026
Save €3,357 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,117 EUR at MOH London · As of October 29, 2026
View at MOH London

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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG451055592 or 451055592. Listed at 11 retailers as of October 29, 2026, with prices from €761 to €4,117, a €3,357 spread on the same certified stone. MOH London lists it at €4,117. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055592
Dimensions7.19 × 7.27 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.19 mm7.27 mm1.50 ctI / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451055592
Side View
Table 56.5%Crown 36.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 64.1%

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 31
Current: €4,117 EUR|Low: €761 EUR|High: €4,150 EUR|Avg: €1,852 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 6€761 EUR
Retailer 7€1,099 EUR
Retailer 10€1,196 EUR
Retailer 12€1,231 EUR
Retailer 8€1,275 EUR
Retailer 13€1,275 EUR
Retailer 2€1,593 EUR
Retailer 3€1,797 EUR
Retailer 9€2,020 EUR
Retailer 11€2,389 EUR
Retailer 4€2,442 EUR
Retailer 5€2,854 EUR
MOH London€4,117 EUR

44 data points across 13 retailers

11 retailers€761 EUR to €4,117 EUR

A
Cheapest Retailer
-
€761 EUR
$850 USD
B+
Retailer 2
-
€1,099 EUR
$1,228 USD
View
B+
Retailer 3
-
€1,196 EUR
$1,336 USD
View
B+
Retailer 4
-
€1,231 EUR
$1,375 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,275 EUR
$1,424 USD
View
Retailer 6
-
€1,275 EUR
$1,424 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€1,593 EUR
£1,401 GBP
View
B
Retailer 8
-
€2,020 EUR
$2,257 USD
View
B
Retailer 9
-
€2,389 EUR
$2,669 USD
View
B
Retailer 10
-
€2,442 EUR
$2,728 USD
View
Most Expensive
C
MOH London
LG451055592 · Oct 29
€4,117 EUR
£3,622 GBP
View
10 more retailers have this diamond
Prices start from €761 EURSave up to €3,357 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
€761 EUR