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Cushion|Lab Grown|IGI

2.77ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816625888

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816625888

Diamond specifications and retailer prices

From $2,371 AUD
$1,666 USD
As of October 29, 2026
Save $13,258 AUD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $15,629 AUD at Brilliant Earth · As of October 28, 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 LG816625888 or 816625888. Listed at 8 retailers as of October 28, 2026, with prices from $2,371 to $15,629, a $13,258 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 angle31.7°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625888
Dimensions10.84 × 6.81 × 4.68 mm
L/W Ratio1.59
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
10.84 mm6.81 mm2.77 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816625888
Side View
Table 58.0%Crown 31.7°Girdle: THK-VTKPavilion 32.3°Culet: NoneDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
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: $15,629 AUD|Low: $2,371 AUD|High: $20,184 AUD|Avg: $8,384 AUD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5$2,371 AUD
Retailer 3$2,441 AUD
Retailer 6$3,496 AUD
Retailer 2$4,061 AUD
Retailer 9$4,526 AUD
Retailer 8$8,683 AUD
Retailer 7$9,682 AUD
Retailer 4$13,010 AUD
Brilliant Earth$15,629 AUD

15 data points across 9 retailers

8 retailers$2,371 AUD to $15,629 AUD

A
Cheapest Retailer
-
$2,371 AUD
$1,666 USD
A
Retailer 2
-
$2,441 AUD
$1,715 USD
View
A
Retailer 3
-
$3,496 AUD
$2,456 USD
View
A
Retailer 4
-
$4,061 AUD
€2,717 EUR
View
Retailer 5
-
$8,683 AUD
$6,100 USD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$9,682 AUD
£5,356 GBP
View
B
Retailer 7
-
$13,010 AUD
$9,140 USD
View
Most Expensive
B
Brilliant Earth
20785968Y · Oct 28
$15,629 AUD
$10,980 USD
View
7 more retailers have this diamond
Prices start from $2,371 AUDSave up to $13,258 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
$2,371 AUD