CaratHunter
Plans
Cushion|Lab Grown|IGI

2.50ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG817651473

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817651473

Diamond specifications and retailer prices

From €685 EUR
$765 USD
As of October 31, 2026
Save €3,334 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,019 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.5ct lab-grown cushion diamond

This 2.5ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817651473 or 817651473. Listed at 9 retailers as of October 31, 2026, with prices from €685 to €4,019, a €3,334 spread on the same certified stone. Do Amore Diamonds lists it at €4,019. 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

2.50
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817651473
Dimensions9.68 × 6.87 × 4.61 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm6.87 mm2.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817651473
Side View
Table 60.0%Crown 34.6°Girdle: MED-THKPavilion 31.4°Culet: NoneDepth 67.1%

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: €4,019 EUR|Low: €516 EUR|High: €4,019 EUR|Avg: €1,223 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3€516 EUR
Retailer 8€561 EUR
Retailer 5€685 EUR
Retailer 7€691 EUR
Retailer 10€741 EUR
Retailer 2€758 EUR
Retailer 11€888 EUR
Retailer 4€958 EUR
Retailer 9€1,378 EUR
Retailer 6€2,692 EUR
Do Amore Diamonds€4,019 EUR

33 data points across 11 retailers

9 retailers€685 EUR to €4,019 EUR

Retailer 1
-
€561 EUR
$627 USD
Price last confirmed 15 days ago
A
Retailer 2
-
€685 EUR
$765 USD
View
B+
Retailer 3
-
€691 EUR
$772 USD
View
B+
Retailer 4
-
€741 EUR
$828 USD
View
A
Retailer 5
-
€758 EUR
£667 GBP
View
B+
Retailer 6
-
€958 EUR
£843 GBP
View
B
Retailer 7
-
€1,378 EUR
$1,540 USD
View
B
Retailer 8
-
€2,692 EUR
£2,368 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4930C3917 · Oct 31
€4,019 EUR
$4,490 USD
View
8 more retailers have this diamond
Prices start from €685 EURSave up to €3,334 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
2.50ct Cushion
€685 EUR