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Cushion|Lab Grown|IGI

0.81ct F SI1 Cushion Lab Grown Diamond

GD • F/SI1 • IGI LG615369628

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG615369628

Diamond specifications and retailer prices

From $590 USD
As of October 27, 2026
Save $620 USD (51%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,210 USD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 0.81ct lab-grown cushion diamond

This 0.81ct lab-grown cushion sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG615369628 or 615369628. Listed at 4 retailers as of October 27, 2026, with prices from $590 to $1,210, a $620 spread on the same certified stone. Do Amore Diamonds lists it at $1,210. 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

0.81
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615369628
Dimensions5.47 × 5.40 × 3.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.47 mm5.40 mm0.81 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615369628
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 66.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: $1,210 USD|Low: $101 USD|High: $1,210 USD|Avg: $515 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 6$141 USD
Retailer 7$191 USD
Retailer 8$293 USD
Retailer 5$299 USD
Retailer 9$344 USD
Retailer 10$439 USD
Retailer 11$566 USD
Retailer 2$590 USD
Retailer 3$760 USD
Retailer 4$809 USD
Do Amore Diamonds$1,210 USD

11 data points across 11 retailers

4 retailers$590 USD to $1,210 USD

Retailer 1
-
$299 USD
Price last confirmed 8 days ago
B
Retailer 2
-
$590 USD
View
Retailer 3
-
$809 USD
£637 GBP
View
Price last confirmed 8 days ago
Most Expensive
C
Do Amore Diamonds
27-4E467FBC7 · Oct 27
$1,210 USD
View
3 more retailers have this diamond
Prices start from $590 USDSave up to $620 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
0.81ct Cushion
$590 USD