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Cushion|Lab Grown|IGI

1.30ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG786634349

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG786634349

Diamond specifications and retailer prices

From $322 USD
As of October 29, 2026
Save $1,913 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,235 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.3ct lab-grown cushion diamond

This 1.3ct 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 LG786634349 or 786634349. Listed at 18 retailers as of October 27, 2026, with prices from $322 to $2,235, a $1,913 spread on the same certified stone. Queensmith lists it at $2,235. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634349
Dimensions7.03 × 6.28 × 3.81 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.03 mm6.28 mm1.30 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634349
Side View
Table 57.0%Crown 33°Girdle: STK-THKPavilion 40.6°Culet: LargeDepth 60.7%

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: Oct 29
Current: $708 USD|Low: $309 USD|High: $1,622 USD|Avg: $815 USD|+2.3%
Retailer 1
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
October 31, 2026
Retailer 12$322 USD
Retailer 7$360 USD
Retailer 5$374 USD
Retailer 3$400 USD
Retailer 14$400 USD
Retailer 13$538 USD
Retailer 10$555 USD
Retailer 1$708 USD
Retailer 9$975 USD
Retailer 11$1,172 USD
Retailer 4$1,279 USD
Retailer 2$1,285 USD
Retailer 6$1,554 USD
Retailer 8$1,610 USD

44 data points across 14 retailers

18 retailers$322 USD to $2,235 USD

A
Cheapest Retailer
-
$322 USD
A
Retailer 2
-
$360 USD
View
Final sale: no returns
A
Retailer 3
-
$374 USD
View
A
Retailer 4
-
$400 USD
View
A
Retailer 5
-
$400 USD
View
A
Retailer 6
-
$538 USD
View
A
Retailer 7
-
$555 USD
View
B+
Retailer 8
-
$568 USD
View
B+
Retailer 9
-
$708 USD
£558 GBP
View
B+
Retailer 10
-
$975 USD
A$1,500 AUD
View
B
Retailer 11
-
$1,172 USD
View
B
Retailer 12
-
$1,279 USD
SGD 1,729 SGD
View
B
Retailer 13
-
$1,285 USD
View
B
Retailer 14
-
$1,330 USD
View
B
Retailer 15
-
$1,554 USD
£1,224 GBP
View
B
Retailer 16
-
$1,584 USD
View
B
Retailer 17
-
$1,610 USD
£1,268 GBP
View
Most Expensive
B
Queensmith
LG786634349 · Oct 27
$2,235 USD
£1,760 GBP
View
17 more retailers have this diamond
Prices start from $322 USDSave up to $1,913 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
1.30ct Cushion
$322 USD