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Round|Lab Grown|IGI

2.50ct D SI1 Round Lab Grown Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $405 USD
As of October 30, 2026
Save $1,731 USD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,136 USD at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round 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. Listed at 3 retailers as of October 30, 2026, with prices from $405 to $2,136, a $1,731 spread on the same certified stone. Diamond Exchange Canada lists it at $2,136. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.66 × 8.60 × 5.39 mm
L/W Ratio1.01
Top View
8.66 mm8.60 mm2.50 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 62.5%

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: $2,136 USD|Low: $349 USD|High: $2,136 USD|Avg: $948 USD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5$349 USD
Retailer 3$405 USD
Retailer 6$427 USD
Retailer 2$692 USD
Retailer 4$1,537 USD
Diamond Exchange Canada$2,136 USD

36 data points across 6 retailers

3 retailers$405 USD to $2,136 USD

A
Cheapest Retailer
-
$405 USD
B+
Retailer 2
-
$692 USD
£545 GBP
View
Most Expensive
C
Diamond Exchange Canada
1986495390 · Oct 30
$2,136 USD
CA$2,967 CAD
View
2 more retailers have this diamond
Prices start from $405 USDSave up to $1,731 USD

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 Round
$405 USD