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Radiant|Lab Grown|IGI

2.81ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG818654310

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818654310

Diamond specifications and retailer prices

From $1,871 AUD
$1,314 USD
As of October 30, 2026
Save $9,248 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,118 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.81ct lab-grown radiant diamond

This 2.81ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654310 or 818654310. Listed at 21 retailers as of October 30, 2026, with prices from $1,871 to $11,118, a $9,248 spread on the same certified stone. Brilliant Earth lists it at $11,118. 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

2.81
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654310
Dimensions9.52 × 6.88 × 4.82 mm
L/W Ratio1.38
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
9.52 mm6.88 mm2.81 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654310
Side View
Table 66.0%Crown 47.8°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 70.1%

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: $11,118 AUD|Low: $1,871 AUD|High: $14,649 AUD|Avg: $5,606 AUD|-24.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 18$1,871 AUD
Retailer 17$2,057 AUD
Retailer 14$2,164 AUD
Retailer 2$2,624 AUD
Retailer 9$2,638 AUD
Retailer 13$2,881 AUD
Retailer 6$3,135 AUD
Retailer 15$3,674 AUD
Retailer 16$4,573 AUD
Retailer 11$4,673 AUD
Retailer 3$5,245 AUD
Retailer 12$6,176 AUD
Retailer 4$6,331 AUD
Retailer 10$6,357 AUD
Retailer 7$6,607 AUD
Retailer 5$7,148 AUD
Retailer 8$8,292 AUD
Brilliant Earth$11,118 AUD

36 data points across 18 retailers

21 retailers$1,871 AUD to $11,118 AUD

A
Cheapest Retailer
-
$1,871 AUD
$1,314 USD
Final sale: no returns
A
Retailer 2
-
$2,057 AUD
$1,445 USD
View
A
Retailer 3
-
$2,164 AUD
$1,520 USD
View
Retailer 4
-
$2,182 AUD
$1,533 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$2,474 AUD
$1,738 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$2,624 AUD
£1,452 GBP
View
Retailer 7
-
$2,638 AUD
$1,853 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$2,881 AUD
$2,024 USD
View
Retailer 9
-
$3,135 AUD
€2,097 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$3,674 AUD
$2,581 USD
View
B+
Retailer 11
-
$4,573 AUD
$3,212 USD
View
B+
Retailer 12
-
$4,673 AUD
ZAR 53,028 ZAR
View
Retailer 13
-
$4,944 AUD
$3,473 USD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$5,245 AUD
$3,684 USD
View
B+
Retailer 15
-
$6,176 AUD
£3,416 GBP
View
B+
Retailer 16
-
$6,331 AUD
$4,447 USD
View
Retailer 17
-
$6,357 AUD
£3,516 GBP
View
Price last confirmed 25 days ago
B+
Retailer 18
-
$6,607 AUD
SGD 6,272 SGD
View
B+
Retailer 19
-
$7,148 AUD
$5,021 USD
View
Retailer 20
-
$8,292 AUD
$5,825 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21434055A · Oct 30
$11,118 AUD
$7,810 USD
View
20 more retailers have this diamond
Prices start from $1,871 AUDSave up to $9,248 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
2.81ct Radiant
$1,871 AUD