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Cushion|Lab Grown|IGI

1.00ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG650418315

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG650418315

Diamond specifications and retailer prices

From $270 USD
As of November 1, 2026
Save $252 USD (48%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $638 USD at Rare Carat
View at Rare Carat

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG650418315 or 650418315. Listed at 3 retailers as of October 31, 2026, with a 93% 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

1.00
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650418315
Dimensions6.74 × 5.42 × 3.64 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.74 mm5.42 mm1.00 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650418315
Side View
Table 61.0%Crown 34.6°Girdle: THN-MEDPavilion 37.1°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $638 USD|Low: $226 USD|High: $1,219 USD|Avg: $559 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 16, 2026
Retailer 3$270 USD
Retailer 6$343 USD
Retailer 5$354 USD
Retailer 2$522 USD
Retailer 8$530 USD
Rare Carat$638 USD
Retailer 4$650 USD
Retailer 7$1,219 USD

3 data points across 8 retailers

3 retailers$270 USD to $522 USD

B+
Cheapest Retailer
-
$270 USD
B+
Retailer 2
-
$522 USD
View
Most Expensive
Rare Carat
CD283-210A
$638 USD
View
2 more retailers have this diamond
Prices start from $270 USDSave up to $252 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.

B+
1.00ct Cushion
$270 USD