CaratHunter
Plans
Cushion|Lab Grown|IGI

2.50ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG750567725

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG750567725

Diamond specifications and retailer prices

From €367 EUR
HK$3,200 HKD
As of October 31, 2026
Save €1,683 EUR (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,050 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG750567725 or 750567725. Listed at 13 retailers as of October 31, 2026, with prices from €367 to €2,050, a €1,683 spread on the same certified stone. Brilliant Earth lists it at €2,050. 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 angle35.1°
Pavilion angle29.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750567725
Dimensions9.02 × 6.93 × 4.41 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.02 mm6.93 mm2.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750567725
Side View
Table 64.0%Crown 35.1°Girdle: Slightly ThickPavilion 29.7°Culet: NoneDepth 63.6%

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: €2,050 EUR|Low: €300 EUR|High: €2,050 EUR|Avg: €904 EUR
Brilliant Earth
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
October 31, 2026
Retailer 6€300 EUR
Retailer 13€367 EUR
Retailer 10€409 EUR
Retailer 9€474 EUR
Retailer 2€514 EUR
Retailer 3€544 EUR
Retailer 11€587 EUR
Retailer 5€601 EUR
Retailer 4€849 EUR
Retailer 7€850 EUR
Retailer 8€1,056 EUR
Retailer 12€1,335 EUR
Retailer 14€1,875 EUR
Brilliant Earth€2,050 EUR

40 data points across 14 retailers

13 retailers€367 EUR to €2,050 EUR

A
Cheapest Retailer
-
€367 EUR
HK$3,200 HKD
A
Retailer 2
-
€409 EUR
£359 GBP
View
A
Retailer 3
-
€474 EUR
$530 USD
View
A
Retailer 4
-
€514 EUR
View
B+
Retailer 5
-
€544 EUR
$608 USD
View
A
Retailer 6
-
€587 EUR
£516 GBP
View
A
Retailer 7
-
€601 EUR
$671 USD
View
B+
Retailer 8
-
€849 EUR
$948 USD
View
B+
Retailer 9
-
€850 EUR
$950 USD
View
B+
Retailer 10
-
€1,056 EUR
SGD 1,595 SGD
View
B+
Retailer 11
-
€1,335 EUR
£1,174 GBP
View
B
Retailer 12
-
€1,875 EUR
$2,095 USD
View
Most Expensive
B
Brilliant Earth
16860144A · Oct 31
€2,050 EUR
$2,290 USD
View
12 more retailers have this diamond
Prices start from €367 EURSave up to €1,683 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
€367 EUR