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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 $2,230 AUD
$1,567 USD
As of October 29, 2026
Save $13,398 AUD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $15,629 AUD 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 $2,230 to $15,629, a $13,398 spread on the same certified stone. Brilliant Earth lists it at $15,629. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $15,629 AUD|Low: $2,230 AUD|High: $19,330 AUD|Avg: $7,257 AUD|-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$2,230 AUD
Retailer 8$2,235 AUD
Retailer 4$3,207 AUD
Retailer 10$3,368 AUD
Retailer 9$3,465 AUD
Retailer 2$3,795 AUD
Retailer 3$7,213 AUD
Retailer 7$8,683 AUD
Retailer 6$15,487 AUD
Brilliant Earth$15,629 AUD

28 data points across 10 retailers

10 retailers$2,230 AUD to $15,629 AUD

A+
Cheapest Retailer
-
$2,230 AUD
$1,567 USD
A
Retailer 2
-
$2,235 AUD
$1,570 USD
View
A
Retailer 3
-
$3,207 AUD
$2,253 USD
View
A
Retailer 4
-
$3,368 AUD
$2,366 USD
View
Final sale: no returns
A
Retailer 5
-
$3,465 AUD
$2,434 USD
View
A
Retailer 6
-
$3,795 AUD
€2,539 EUR
View
B+
Retailer 7
-
$7,213 AUD
£3,990 GBP
View
Retailer 8
-
$8,683 AUD
$6,100 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$15,487 AUD
$10,880 USD
View
Most Expensive
B
Brilliant Earth
20496710Y · Oct 29
$15,629 AUD
$10,980 USD
View
9 more retailers have this diamond
Prices start from $2,230 AUDSave up to $13,398 AUD

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
$2,230 AUD