Cushion|Lab Grown|IGI

1.30ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1

Diamond specifications and retailer prices

From $273 USD
£215 GBP
As of October 27, 2026
Save $432 USD (61%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $705 USD at Blue Nile · As of October 27, 2026
View at Blue Nile

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 27, 2026, with prices from $273 to $705, a $432 spread on the same certified stone. Blue Nile lists it at $705. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.77 × 5.64 × 0.00 mm
L/W Ratio1.38
Top View
7.77 mm5.64 mm1.30 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 61.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $705 USD|Low: $272 USD|High: $705 USD|Avg: $485 USD
Blue Nile
Retailer 2
October 27, 2026
Retailer 2$273 USD
Blue Nile$705 USD

34 data points across 2 retailers

2 retailers$273 USD to $705 USD

A
Cheapest Retailer
-
$273 USD
£215 GBP
Most Expensive
B
Blue Nile
20170674 · Oct 27
$705 USD
View
1 more retailer has this diamond
Prices start from $273 USDSave up to $432 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
$273 USD