Cushion|Lab Grown|IGI

2.71ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG828671521

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

Certificate IGI LG828671521

Diamond specifications and retailer prices

From $632 USD
As of November 1, 2026
Save $2,548 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,180 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.71ct lab-grown cushion diamond

This 2.71ct lab-grown cushion sits in the two to three carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828671521 or 828671521. Listed at 9 retailers as of October 31, 2026, with prices from $632 to $3,180, a $2,548 spread on the same certified stone. Brilliant Earth lists it at $3,180. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.71
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828671521
Dimensions7.92 × 7.84 × 5.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm7.84 mm2.71 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828671521
Side View
Table 64.0%Crown 38.7°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,180 USD|Low: $516 USD|High: $3,670 USD|Avg: $1,477 USD|-4.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$632 USD
Retailer 4$823 USD
Retailer 3$845 USD
Retailer 7$1,038 USD
Retailer 8$1,484 USD
Retailer 9$1,552 USD
Retailer 2$1,840 USD
Retailer 5$2,110 USD
Brilliant Earth$3,180 USD

41 data points across 9 retailers

9 retailers$632 USD to $3,180 USD

B+
Cheapest Retailer
-
$632 USD
A
Retailer 2
-
$823 USD
€784 EUR
View
A
Retailer 3
-
$845 USD
£665 GBP
View
A
Retailer 4
-
$1,038 USD
View
B+
Retailer 5
-
$1,514 USD
View
B+
Retailer 6
-
$1,552 USD
View
B+
Retailer 7
-
$1,840 USD
£1,449 GBP
View
B+
Retailer 8
-
$2,110 USD
View
Most Expensive
B
Brilliant Earth
21218606A · Oct 31
$3,180 USD
View
8 more retailers have this diamond
Prices start from $632 USDSave up to $2,548 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
2.71ct Cushion
$632 USD