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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG735564606

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

Certificate IGI LG735564606

Diamond specifications and retailer prices

From $1,405 AUD
$987 USD
As of October 30, 2026
Save $11,066 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,471 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.15ct lab-grown radiant diamond

This 3.15ct 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 LG735564606 or 735564606. Listed at 17 retailers as of October 30, 2026, with prices from $1,405 to $12,471, a $11,066 spread on the same certified stone. Do Amore Diamonds lists it at $12,471. 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

3.15
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735564606
Dimensions10.12 × 7.18 × 5.02 mm
L/W Ratio1.41
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
10.12 mm7.18 mm3.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735564606
Side View
Table 65.0%Crown 43.5°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 69.9%

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: $12,471 AUD|Low: $1,405 AUD|High: $15,062 AUD|Avg: $5,018 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 12$1,405 AUD
Retailer 3$1,559 AUD
Retailer 2$1,872 AUD
Retailer 11$1,886 AUD
Retailer 9$1,973 AUD
Retailer 17$2,654 AUD
Retailer 4$2,988 AUD
Retailer 16$3,371 AUD
Retailer 13$3,415 AUD
Retailer 10$3,512 AUD
Retailer 5$4,228 AUD
Retailer 15$4,652 AUD
Retailer 14$6,133 AUD
Retailer 6$7,773 AUD
Retailer 7$10,016 AUD
Retailer 8$12,186 AUD
Do Amore Diamonds$12,471 AUD

36 data points across 17 retailers

17 retailers$1,405 AUD to $12,471 AUD

A+
Cheapest Retailer
-
$1,405 AUD
$987 USD
A
Retailer 2
-
$1,559 AUD
$1,095 USD
View
A
Retailer 3
-
$1,872 AUD
$1,315 USD
View
A
Retailer 4
-
$1,886 AUD
$1,325 USD
View
A
Retailer 5
-
$1,973 AUD
$1,386 USD
View
Final sale: no returns
A
Retailer 6
-
$2,654 AUD
$1,864 USD
View
Retailer 7
-
$2,988 AUD
€1,999 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
$3,371 AUD
$2,368 USD
View
A
Retailer 9
-
$3,415 AUD
$2,399 USD
View
A
Retailer 10
-
$3,512 AUD
$2,467 USD
View
Retailer 11
-
$4,228 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$4,652 AUD
$3,268 USD
View
B+
Retailer 13
-
$6,133 AUD
£3,392 GBP
View
Retailer 14
-
$7,773 AUD
$5,460 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$10,016 AUD
View
Price last confirmed 26 days ago
B
Retailer 16
-
$12,186 AUD
$8,560 USD
View
Most Expensive
B
Do Amore Diamonds
27-646207296 · Oct 31
$12,471 AUD
$8,760 USD
View
16 more retailers have this diamond
Prices start from $1,405 AUDSave up to $11,066 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+
3.15ct Radiant
$1,405 AUD