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Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768632299

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

Certificate IGI LG768632299

Diamond specifications and retailer prices

From $2,393 AUD
$1,681 USD
As of October 30, 2026
Save $14,505 AUD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,898 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768632299 or 768632299. Listed at 15 retailers as of October 30, 2026, with prices from $2,393 to $16,898, a $14,505 spread on the same certified stone. Brilliant Earth lists it at $16,898. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632299
Dimensions10.03 × 7.17 × 4.97 mm
L/W Ratio1.40
Culet sizePointed
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
10.03 mm7.17 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632299
Side View
Table 60.0%Crown 41.4°Girdle: STK-THKPavilion 36.2°Culet: NoneDepth 69.3%

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: $16,898 AUD|Low: $2,393 AUD|High: $23,518 AUD|Avg: $7,044 AUD|-9.0%
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
October 31, 2026
Retailer 11$2,393 AUD
Retailer 5$2,609 AUD
Retailer 10$2,928 AUD
Retailer 8$3,018 AUD
Retailer 13$3,563 AUD
Retailer 7$4,046 AUD
Retailer 4$4,372 AUD
Retailer 9$4,786 AUD
Retailer 2$5,127 AUD
Retailer 3$5,743 AUD
Retailer 15$7,688 AUD
Retailer 14$8,798 AUD
Retailer 6$9,033 AUD
Retailer 12$16,471 AUD
Brilliant Earth$16,898 AUD

37 data points across 15 retailers

15 retailers$2,393 AUD to $16,898 AUD

A
Cheapest Retailer
-
$2,393 AUD
$1,681 USD
A
Retailer 2
-
$2,609 AUD
$1,833 USD
View
A
Retailer 3
-
$2,928 AUD
$2,057 USD
View
A
Retailer 4
-
$3,018 AUD
$2,120 USD
View
A
Retailer 5
-
$3,563 AUD
$2,503 USD
View
A
Retailer 6
-
$4,046 AUD
$2,842 USD
View
Final sale: no returns
A
Retailer 7
-
$4,372 AUD
$3,071 USD
View
A
Retailer 8
-
$4,786 AUD
$3,362 USD
View
B+
Retailer 9
-
$5,127 AUD
€3,430 EUR
View
B+
Retailer 10
-
$5,743 AUD
$4,034 USD
View
B+
Retailer 11
-
$7,688 AUD
$5,401 USD
View
B+
Retailer 12
-
$8,798 AUD
£4,866 GBP
View
Retailer 13
-
$9,033 AUD
$6,345 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$16,471 AUD
$11,570 USD
View
Most Expensive
B
Brilliant Earth
18350309Y · Oct 31
$16,898 AUD
$11,870 USD
View
14 more retailers have this diamond
Prices start from $2,393 AUDSave up to $14,505 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
3.10ct Radiant
$2,393 AUD