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Radiant|Lab Grown|IGI

3.16ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG744513464

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

Certificate IGI LG744513464

Diamond specifications and retailer prices

From $1,409 AUD
$990 USD
As of October 30, 2026
Save $11,104 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,513 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.16ct lab-grown radiant diamond

This 3.16ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744513464 or 744513464. Listed at 17 retailers as of October 30, 2026, with prices from $1,409 to $12,513, a $11,104 spread on the same certified stone. Do Amore Diamonds lists it at $12,513. 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

3.16
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513464
Dimensions10.13 × 7.23 × 4.94 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
10.13 mm7.23 mm3.16 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513464
Side View
Table 64.0%Crown 43.9°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
A+
Exceptional
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: $12,513 AUD|Low: $1,409 AUD|High: $15,104 AUD|Avg: $5,309 AUD|-17.2%
Do Amore Diamonds
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
October 31, 2026
Retailer 13$1,409 AUD
Retailer 4$1,782 AUD
Retailer 12$1,892 AUD
Retailer 9$1,979 AUD
Retailer 10$2,135 AUD
Retailer 2$2,943 AUD
Retailer 3$3,017 AUD
Retailer 17$3,381 AUD
Retailer 14$3,437 AUD
Retailer 11$3,522 AUD
Retailer 16$4,666 AUD
Retailer 5$4,827 AUD
Retailer 15$6,151 AUD
Retailer 6$7,666 AUD
Retailer 7$10,026 AUD
Retailer 8$12,214 AUD
Do Amore Diamonds$12,513 AUD

34 data points across 17 retailers

17 retailers$1,409 AUD to $12,513 AUD

A+
Cheapest Retailer
-
$1,409 AUD
$990 USD
A
Retailer 2
-
$1,782 AUD
$1,252 USD
View
A
Retailer 3
-
$1,892 AUD
$1,329 USD
View
A
Retailer 4
-
$1,979 AUD
$1,390 USD
View
Final sale: no returns
A
Retailer 5
-
$2,135 AUD
$1,500 USD
View
A
Retailer 6
-
$2,943 AUD
€1,969 EUR
View
A
Retailer 7
-
$3,017 AUD
$2,119 USD
View
A
Retailer 8
-
$3,381 AUD
$2,375 USD
View
A
Retailer 9
-
$3,437 AUD
$2,414 USD
View
A
Retailer 10
-
$3,522 AUD
$2,474 USD
View
A
Retailer 11
-
$4,666 AUD
$3,277 USD
View
Retailer 12
-
$4,827 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$6,151 AUD
£3,402 GBP
View
Retailer 14
-
$7,666 AUD
$5,385 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$10,026 AUD
View
Price last confirmed 22 days ago
B
Retailer 16
-
$12,214 AUD
$8,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-11CF91F27 · Oct 31
$12,513 AUD
$8,790 USD
View
16 more retailers have this diamond
Prices start from $1,409 AUDSave up to $11,104 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+
3.16ct Radiant
$1,409 AUD