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Cushion|Lab Grown|IGI

1.26ct H VS1 Cushion Lab Grown Diamond

GD • H/VS1 • IGI LG579399936

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG579399936

Diamond specifications and retailer prices

From $260 USD
As of November 4, 2026
Save $1,740 USD (87%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,000 USD at Michael Trio · As of November 3, 2026
View at Michael Trio

About this 1.26ct lab-grown cushion diamond

This 1.26ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG579399936 or 579399936. Listed at 6 retailers as of November 3, 2026, with prices from $260 to $2,000, a $1,740 spread on the same certified stone. Michael Trio lists it at $2,000. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.26
Carat
H
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579399936
Dimensions6.28 × 6.17 × 4.11 mm
L/W Ratio1.02
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
6.28 mm6.17 mm1.26 ctH / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579399936
Side View
Table 63.0%Crown 37.1°Girdle: MED-THKPavilion 38.2°Culet: NoneDepth 66.6%

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: Nov 4
Current: $2,000 USD|Low: $260 USD|High: $2,000 USD|Avg: $748 USD|+63.0%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6$260 USD
Retailer 3$436 USD
Retailer 4$660 USD
Retailer 2$675 USD
Retailer 5$691 USD
Michael Trio$2,000 USD

5 data points across 6 retailers

6 retailers$260 USD to $2,000 USD

A
Cheapest Retailer
-
$260 USD
Final sale: no returns
B+
Retailer 2
-
$436 USD
View
B+
Retailer 3
-
$660 USD
View
B+
Retailer 4
-
$675 USD
View
B+
Retailer 5
-
$691 USD
View
Most Expensive
C
Michael Trio
2083840577 · Nov 3
$2,000 USD
SGD 2,703 SGD
View
5 more retailers have this diamond
Prices start from $260 USDSave up to $1,740 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
1.26ct Cushion
$260 USD