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Cushion|Lab Grown|IGI

2.70ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG519231185

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG519231185

Diamond specifications and retailer prices

From $2,961 CAD
$2,120 USD
As of October 29, 2026
Save $6,079 CAD (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,802 CAD at Loose Grown Diamond · As of October 26, 2026
View at Loose Grown Diamond

About this 2.7ct lab-grown cushion diamond

This 2.7ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519231185 or 519231185. Listed at 7 retailers as of October 29, 2026, with a 205% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.70
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519231185
Dimensions8.29 × 7.89 × 4.90 mm
L/W Ratio1.05
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
8.29 mm7.89 mm2.70 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519231185
Side View
Table 64.0%Crown 32.7°Girdle: STK-VTKPavilion 34.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $10,802 CAD|Low: $2,961 CAD|High: $14,645 CAD|Avg: $8,276 CAD|+0.3%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4$2,961 CAD
Retailer 6$6,737 CAD
Retailer 5$6,979 CAD
Retailer 7$7,040 CAD
Retailer 2$9,041 CAD
Loose Grown Diamond$10,802 CAD
Retailer 3$14,528 CAD

39 data points across 7 retailers

7 retailers$2,961 CAD to $9,041 CAD

B+
Cheapest Retailer
-
$2,961 CAD
$2,120 USD
B
Retailer 2
-
$6,737 CAD
$4,823 USD
View
Final sale: no returns
Retailer 3
-
$6,979 CAD
$4,996 USD
View
Price last confirmed 19 days ago
B
Retailer 4
-
$7,040 CAD
$5,040 USD
View
B
Retailer 5
-
$9,041 CAD
£5,096 GBP
View
Most Expensive
Loose Grown Diamond
519231185 · Oct 26
$10,802 CAD
$7,733 USD
View
Price under review
5 more retailers have this diamond
Prices start from $2,961 CADSave up to $6,079 CAD

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.

B+
2.70ct Cushion
$2,961 CAD