Cushion|Lab Grown|IGI

2.77ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG800684631

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG800684631

Diamond specifications and retailer prices

From $1,567 USD
As of October 29, 2026
Save $9,413 USD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,980 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.77ct lab-grown cushion diamond

This 2.77ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800684631 or 800684631. Listed at 10 retailers as of October 29, 2026, with prices from $1,567 to $10,980, a $9,413 spread on the same certified stone. Brilliant Earth lists it at $10,980. 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

2.77
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle43.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800684631
Dimensions9.06 × 6.87 × 4.63 mm
L/W Ratio1.32
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
9.06 mm6.87 mm2.77 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800684631
Side View
Table 64.0%Crown 36.1°Girdle: MED-THKPavilion 43.7°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $10,980 USD|Low: $1,567 USD|High: $13,580 USD|Avg: $5,098 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5$1,567 USD
Retailer 8$1,570 USD
Retailer 4$2,253 USD
Retailer 10$2,366 USD
Retailer 9$2,434 USD
Retailer 2$2,666 USD
Retailer 3$5,067 USD
Retailer 7$6,100 USD
Retailer 6$10,880 USD
Brilliant Earth$10,980 USD

28 data points across 10 retailers

10 retailers$1,567 USD to $10,980 USD

A+
Cheapest Retailer
-
$1,567 USD
A
Retailer 2
-
$1,570 USD
View
A
Retailer 3
-
$2,253 USD
View
A
Retailer 4
-
$2,366 USD
View
Final sale: no returns
A
Retailer 5
-
$2,434 USD
View
A
Retailer 6
-
$2,666 USD
€2,539 EUR
View
B+
Retailer 7
-
$5,067 USD
£3,990 GBP
View
Retailer 8
-
$6,100 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$10,880 USD
View
Most Expensive
B
Brilliant Earth
20496710Y · Oct 29
$10,980 USD
View
9 more retailers have this diamond
Prices start from $1,567 USDSave up to $9,413 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+
2.77ct Cushion
$1,567 USD