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Radiant|Lab Grown|IGI

2.88ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG818631536

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

Certificate IGI LG818631536

Diamond specifications and retailer prices

From $1,200 AUD
$843 USD
As of October 30, 2026
Save $9,050 AUD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,250 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.88ct lab-grown radiant diamond

This 2.88ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818631536 or 818631536. Listed at 23 retailers as of October 30, 2026, with prices from $1,200 to $10,250, a $9,050 spread on the same certified stone. Brilliant Earth lists it at $10,250. 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

2.88
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818631536
Dimensions9.90 × 7.22 × 4.78 mm
L/W Ratio1.37
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
9.90 mm7.22 mm2.88 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818631536
Side View
Table 68.0%Crown 37.2°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A
Excellent
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 30
Current: $10,250 AUD|Low: $1,200 AUD|High: $11,289 AUD|Avg: $3,171 AUD|-9.2%
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
Retailer 19
Retailer 20
October 31, 2026
Retailer 10$1,200 AUD
Retailer 7$1,305 AUD
Retailer 15$1,344 AUD
Retailer 14$1,392 AUD
Retailer 16$1,644 AUD
Retailer 4$1,993 AUD
Retailer 13$2,139 AUD
Retailer 11$2,291 AUD
Retailer 2$2,943 AUD
Retailer 12$3,391 AUD
Retailer 17$3,592 AUD
Retailer 6$3,840 AUD
Retailer 19$3,915 AUD
Retailer 8$4,452 AUD
Retailer 20$4,509 AUD
Retailer 5$4,620 AUD
Retailer 9$4,825 AUD
Retailer 3$4,995 AUD
Retailer 18$5,247 AUD
Brilliant Earth$10,250 AUD

25 data points across 20 retailers

23 retailers$1,200 AUD to $10,250 AUD

A
Cheapest Retailer
-
$1,200 AUD
$843 USD
A
Retailer 2
-
$1,305 AUD
$917 USD
View
A
Retailer 3
-
$1,344 AUD
$944 USD
View
Final sale: no returns
A
Retailer 4
-
$1,392 AUD
$978 USD
View
Retailer 5
-
$1,466 AUD
$1,030 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,644 AUD
$1,155 USD
View
A
Retailer 7
-
$1,993 AUD
$1,400 USD
View
A
Retailer 8
-
$2,139 AUD
£1,183 GBP
View
Retailer 9
-
$2,291 AUD
€1,533 EUR
View
Price last confirmed 8 days ago
A
Retailer 10
-
$2,943 AUD
$2,067 USD
View
Retailer 11
-
$3,391 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$3,592 AUD
ZAR 40,759 ZAR
View
A
Retailer 13
-
$3,840 AUD
£2,124 GBP
View
A
Retailer 14
-
$3,915 AUD
$2,750 USD
View
A
Retailer 15
-
$4,356 AUD
$3,060 USD
View
B+
Retailer 16
-
$4,452 AUD
$3,127 USD
View
B+
Retailer 17
-
$4,509 AUD
$3,167 USD
View
B+
Retailer 18
-
$4,620 AUD
$3,246 USD
View
B+
Retailer 19
-
$4,825 AUD
$3,389 USD
View
B+
Retailer 20
-
$4,995 AUD
$3,509 USD
View
B+
Retailer 21
-
$5,247 AUD
£2,902 GBP
View
Retailer 22
-
$6,575 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
Brilliant Earth
20863180A · Oct 30
$10,250 AUD
$7,200 USD
View
22 more retailers have this diamond
Prices start from $1,200 AUDSave up to $9,050 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
2.88ct Radiant
$1,200 AUD