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Cushion|Lab Grown|IGI

2.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG522231518

Shape and cutting style on the report: Cushion rose cut

Certificate IGI LG522231518

Diamond specifications and retailer prices

From $4,051 CAD
$2,900 USD
As of October 31, 2026
Save $14,188 CAD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,239 CAD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 2.51ct lab-grown cushion diamond

This 2.51ct lab-grown cushion sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG522231518 or 522231518. Listed at 10 retailers as of October 31, 2026, with prices from $4,051 to $18,239, a $14,188 spread on the same certified stone. Reve Diamonds lists it at $18,239. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522231518
Dimensions9.04 × 7.34 × 5.06 mm
L/W Ratio1.23
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
9.04 mm7.34 mm2.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG522231518
Side View
Table 63.0%Crown 32.4°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 68.9%

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 31
Current: $17,989 CAD|Low: $4,051 CAD|High: $24,956 CAD|Avg: $11,369 CAD|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 29, 2026
Retailer 5$4,051 CAD
Retailer 10$6,361 CAD
Retailer 8$6,732 CAD
Retailer 7$6,973 CAD
Retailer 11$7,033 CAD
Retailer 2$7,742 CAD
Retailer 9$9,814 CAD
Retailer 6$10,792 CAD
Retailer 4$14,515 CAD
Retailer 1$17,989 CAD
Reve Diamonds$18,239 CAD
Retailer 3$24,956 CAD

19 data points across 12 retailers

10 retailers$4,051 CAD to $18,239 CAD

B+
Cheapest Retailer
-
$4,051 CAD
$2,900 USD
B
Retailer 2
-
$6,361 CAD
$4,554 USD
View
B
Retailer 3
-
$6,732 CAD
$4,819 USD
View
Final sale: no returns
Retailer 4
-
$6,973 CAD
$4,992 USD
View
Price last confirmed 15 days ago
B
Retailer 5
-
$7,033 CAD
$5,035 USD
View
B
Retailer 6
-
$9,814 CAD
£5,532 GBP
View
B
Retailer 7
-
$10,792 CAD
$7,726 USD
View
B
Retailer 8
-
$14,515 CAD
£8,182 GBP
View
B
Retailer 9
-
$17,989 CAD
ZAR 208,045 ZAR
View
Most Expensive
B
Reve Diamonds
5C195E453 · Nov 1
$18,239 CAD
$13,057 USD
View
9 more retailers have this diamond
Prices start from $4,051 CADSave up to $14,188 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+
2.51ct Cushion
$4,051 CAD