Cushion|Lab Grown|IGI

1.00ct F VVS1 Cushion Lab Grown Diamond

VG • F/VVS1 • IGI LG818658539

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818658539

Diamond specifications and retailer prices

From $740 USD
As of November 2, 2026
10 retailers carry this diamond
Most expensive: $1,097 USD at Reve Diamonds · As of October 11, 2026
View at Reve Diamonds

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG818658539 or 818658539. Listed at 10 retailers as of November 2, 2026. 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

1.00
Carat
F
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818658539
Dimensions5.90 × 5.86 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.90 mm5.86 mm1.00 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818658539
Side View
Table 62.0%Crown 35.7°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 65.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $725 USD|Low: $189 USD|High: $1,103 USD|Avg: $517 USD|-1.4%
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
Reve Diamonds
October 19, 2026
Retailer 3$189 USD
Retailer 5$210 USD
Retailer 7$261 USD
Retailer 9$362 USD
Retailer 8$363 USD
Retailer 6$367 USD
Retailer 4$377 USD
Retailer 2$404 USD
Retailer 12$413 USD
Retailer 1$725 USD
Retailer 13$731 USD
Retailer 10$740 USD
Retailer 11$996 USD
Reve Diamonds$1,097 USD

18 data points across 14 retailers

10 retailers

Retailer 1
-
$210 USD
Price last confirmed 21 days ago
Retailer 2
-
$362 USD
ZAR 5,841 ZAR
View
Price last confirmed 25 days ago
Retailer 3
-
$367 USD
£289 GBP
View
Price last confirmed 21 days ago
Retailer 4
-
$377 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$413 USD
£325 GBP
View
Price last confirmed 28 days ago
Retailer 6
-
$725 USD
View
Price last confirmed 14 days ago
Retailer 7
-
$731 USD
View
Price last confirmed 21 days ago
B
Retailer 8
-
$740 USD
View
Retailer 9
-
$996 USD
£784 GBP
View
Price last confirmed 22 days ago
Most Expensive
Reve Diamonds
112168595 · Oct 11
$1,097 USD
View
Price last confirmed 22 days ago
9 more retailers have this diamond
Prices start from $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.

B
1.00ct Cushion
$740 USD