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Cushion|Lab Grown|IGI

2.74ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804655378

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

Certificate IGI LG804655378

Diamond specifications and retailer prices

From $2,349 AUD
$1,650 USD
As of October 29, 2026
Save $8,100 AUD (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $10,449 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.74ct lab-grown cushion diamond

This 2.74ct 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 LG804655378 or 804655378. Listed at 6 retailers as of October 29, 2026, with prices from $2,349 to $10,449, a $8,100 spread on the same certified stone. Brilliant Earth lists it at $10,449. 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

2.74
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804655378
Dimensions7.89 × 7.87 × 5.25 mm
L/W Ratio1.00
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
7.89 mm7.87 mm2.74 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804655378
Side View
Table 65.0%Crown 36.3°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 66.7%

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: $10,449 AUD|Low: $2,349 AUD|High: $16,129 AUD|Avg: $6,786 AUD|-34.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3$2,349 AUD
Retailer 4$3,195 AUD
Retailer 5$3,911 AUD
Retailer 6$4,756 AUD
Retailer 2$6,509 AUD
Brilliant Earth$10,449 AUD

30 data points across 6 retailers

6 retailers$2,349 AUD to $10,449 AUD

A
Cheapest Retailer
-
$2,349 AUD
$1,650 USD
A
Retailer 2
-
$3,195 AUD
$2,244 USD
View
A
Retailer 3
-
$3,911 AUD
$2,747 USD
View
A
Retailer 4
-
$4,756 AUD
€3,182 EUR
View
B+
Retailer 5
-
$6,509 AUD
£3,600 GBP
View
Most Expensive
B
Brilliant Earth
20529385A · Oct 30
$10,449 AUD
$7,340 USD
View
5 more retailers have this diamond
Prices start from $2,349 AUDSave up to $8,100 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
2.74ct Cushion
$2,349 AUD