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Round|Lab Grown|IGI

1.50ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG771601890

Shape and cutting style on the report: Round brilliant

Certificate IGI LG771601890

Diamond specifications and retailer prices

From €197 EUR
$220 USD
As of October 30, 2026
Save €768 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €965 EUR at MOH London · As of October 26, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG771601890 or 771601890. Listed at 11 retailers as of October 26, 2026, with prices from €197 to €965, a €768 spread on the same certified stone. MOH London lists it at €965. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771601890
Dimensions7.40 × 7.37 × 4.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.37 mm1.50 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771601890
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
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 30
Current: €965 EUR|Low: €197 EUR|High: €1,007 EUR|Avg: €568 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
October 31, 2026
Retailer 11€197 EUR
Retailer 5€312 EUR
Retailer 9€380 EUR
Retailer 7€431 EUR
Retailer 2€445 EUR
Retailer 8€515 EUR
Retailer 6€622 EUR
Retailer 10€703 EUR
Retailer 4€773 EUR
Retailer 3€927 EUR
MOH London€965 EUR

17 data points across 11 retailers

11 retailers€197 EUR to €965 EUR

A
Cheapest Retailer
-
€197 EUR
$220 USD
Final sale: no returns
A
Retailer 2
-
€312 EUR
$349 USD
View
B+
Retailer 3
-
€380 EUR
$424 USD
View
Retailer 4
-
€431 EUR
£379 GBP
View
Price last confirmed 16 days ago
B+
Retailer 5
-
€445 EUR
£392 GBP
View
B+
Retailer 6
-
€515 EUR
$575 USD
View
B+
Retailer 7
-
€622 EUR
$695 USD
View
B+
Retailer 8
-
€703 EUR
$785 USD
View
B
Retailer 9
-
€773 EUR
$864 USD
View
B
Retailer 10
-
€927 EUR
$1,036 USD
View
Most Expensive
B
MOH London
LG771601890 · Oct 26
€965 EUR
£849 GBP
View
10 more retailers have this diamond
Prices start from €197 EURSave up to €768 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
€197 EUR