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Cushion|Lab Grown|IGI

3.01ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG571399878

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG571399878

Diamond specifications and retailer prices

From €366 EUR
$409 USD
As of October 31, 2026
Save €1,219 EUR (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,585 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.01ct lab-grown cushion diamond

This 3.01ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG571399878 or 571399878. Listed at 7 retailers as of October 31, 2026, with prices from €366 to €1,585, a €1,219 spread on the same certified stone. MOH London lists it at €1,585. 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

3.01
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571399878
Dimensions8.96 × 7.83 × 5.19 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
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
8.96 mm7.83 mm3.01 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571399878
Side View
Table 61.0%Crown 36.8°Girdle: MED-THKPavilion 37°Culet: NoneDepth 66.3%

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: €1,585 EUR|Low: €261 EUR|High: €1,604 EUR|Avg: €808 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5€366 EUR
Retailer 4€405 EUR
Retailer 3€648 EUR
Retailer 2€649 EUR
Retailer 8€658 EUR
Retailer 6€687 EUR
Retailer 7€927 EUR
Retailer 9€1,210 EUR
MOH London€1,585 EUR

15 data points across 9 retailers

7 retailers€366 EUR to €1,585 EUR

A
Cheapest Retailer
-
€366 EUR
$409 USD
Final sale: no returns
Retailer 2
-
€405 EUR
$453 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€648 EUR
$724 USD
View
B+
Retailer 4
-
€649 EUR
$725 USD
View
A
Retailer 5
-
€687 EUR
$767 USD
View
A
Retailer 6
-
€927 EUR
$1,036 USD
View
Most Expensive
B+
MOH London
LG571399878 · Nov 1
€1,585 EUR
£1,394 GBP
View
6 more retailers have this diamond
Prices start from €366 EURSave up to €1,219 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
3.01ct Cushion
€366 EUR