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Cushion|Lab Grown|IGI

1.29ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG684505396

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG684505396

Diamond specifications and retailer prices

From $272 USD
As of November 4, 2026
Save $1,058 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,380 USD at Brilliant Earth · As of October 9, 2026
View at Brilliant Earth

About this 1.29ct lab-grown cushion diamond

This 1.29ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG684505396 or 684505396. Listed at 15 retailers as of November 4, 2026, with a 389% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684505396
Dimensions6.39 × 6.26 × 4.18 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.39 mm6.26 mm1.29 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684505396
Side View
Table 63.0%Crown 37.4°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 66.8%

Caratlytics Score

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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: Nov 4
Current: $1,380 USD|Low: $234 USD|High: $1,420 USD|Avg: $686 USD|-2.8%
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
Retailer 15
November 4, 2026
Retailer 9$272 USD
Retailer 6$287 USD
Retailer 2$401 USD
Retailer 15$442 USD
Retailer 13$496 USD
Retailer 10$506 USD
Retailer 7$529 USD
Retailer 12$536 USD
Retailer 5$606 USD
Retailer 4$701 USD
Retailer 3$725 USD
Retailer 8$1,020 USD
Retailer 14$1,151 USD
Retailer 11$1,330 USD
Brilliant Earth$1,380 USD

39 data points across 15 retailers

15 retailers$272 USD to $1,330 USD

A
Cheapest Retailer
-
$272 USD
Final sale: no returns
Retailer 2
-
$287 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$401 USD
View
A
Retailer 4
-
$442 USD
View
A
Retailer 5
-
$496 USD
View
A
Retailer 6
-
$506 USD
View
A
Retailer 7
-
$529 USD
View
B+
Retailer 8
-
$536 USD
View
B+
Retailer 9
-
$606 USD
View
Retailer 10
-
$701 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$725 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$1,020 USD
View
B
Retailer 13
-
$1,151 USD
View
B
Retailer 14
-
$1,330 USD
View
Most Expensive
Brilliant Earth
13255893A · Oct 9
$1,380 USD
View
Price last confirmed 26 days ago
14 more retailers have this diamond
Prices start from $272 USDSave up to $1,058 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
1.29ct Cushion
$272 USD