Cushion|Lab Grown|IGI

2.80ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840629975

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629975

Diamond specifications and retailer prices

From $2,519 AUD
£1,393 GBP
As of October 30, 2026
Save $8,001 AUD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,520 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.8ct lab-grown cushion diamond

This 2.8ct 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 LG840629975 or 840629975. Listed at 10 retailers as of October 30, 2026, with prices from $2,519 to $10,520, a $8,001 spread on the same certified stone. Brilliant Earth lists it at $10,520. 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

2.80
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629975
Dimensions10.34 × 6.95 × 4.74 mm
L/W Ratio1.49
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
10.34 mm6.95 mm2.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629975
Side View
Table 59.0%Crown 34.5°Girdle: THK-VTKPavilion 36°Culet: NoneDepth 68.2%

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 30
Current: $10,520 AUD|Low: $2,519 AUD|High: $12,101 AUD|Avg: $6,067 AUD|-13.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$2,519 AUD
Retailer 8$2,629 AUD
Retailer 3$3,219 AUD
Retailer 5$4,543 AUD
Retailer 6$5,511 AUD
Retailer 7$5,887 AUD
Retailer 10$6,268 AUD
Retailer 4$8,023 AUD
Retailer 9$9,199 AUD
Brilliant Earth$10,520 AUD

2 data points across 10 retailers

10 retailers$2,519 AUD to $10,520 AUD

A
Cheapest Retailer
-
$2,519 AUD
£1,393 GBP
A
Retailer 2
-
$2,629 AUD
$1,847 USD
View
Final sale: no returns
A
Retailer 3
-
$3,219 AUD
£1,780 GBP
View
A
Retailer 4
-
$4,543 AUD
$3,191 USD
View
B+
Retailer 5
-
$5,511 AUD
£3,048 GBP
View
B+
Retailer 6
-
$5,887 AUD
ZAR 66,810 ZAR
View
B+
Retailer 7
-
$6,268 AUD
$4,403 USD
View
B+
Retailer 8
-
$8,023 AUD
$5,636 USD
View
B
Retailer 9
-
$9,199 AUD
SGD 8,732 SGD
View
Most Expensive
B
Brilliant Earth
22348593A · Oct 30
$10,520 AUD
$7,390 USD
View
9 more retailers have this diamond
Prices start from $2,519 AUDSave up to $8,001 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
2.80ct Cushion
$2,519 AUD