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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG836694137

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG836694137

Diamond specifications and retailer prices

From $2,201 AUD
$1,546 USD
As of October 30, 2026
Save $11,409 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,610 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 LG836694137 or 836694137. Listed at 17 retailers as of October 30, 2026, with prices from $2,201 to $13,610, a $11,409 spread on the same certified stone. Do Amore Diamonds lists it at $13,610. 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 angle32.3°
Pavilion angle49.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836694137
Dimensions10.37 × 6.79 × 4.51 mm
L/W Ratio1.53
Culet sizeLarge
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
10.37 mm6.79 mm3.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836694137
Side View
Table 62.0%Crown 32.3°Girdle: Slightly ThickPavilion 49.6°Culet: LargeDepth 66.4%

Caratlytics Score

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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: $13,610 AUD|Low: $2,033 AUD|High: $13,610 AUD|Avg: $4,882 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 12
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Retailer 19
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Retailer 21
October 31, 2026
Retailer 8$2,201 AUD
Retailer 6$2,394 AUD
Retailer 12$2,457 AUD
Retailer 19$2,553 AUD
Retailer 17$2,557 AUD
Retailer 20$2,853 AUD
Retailer 14$3,513 AUD
Retailer 5$3,532 AUD
Retailer 2$3,994 AUD
Retailer 13$4,029 AUD
Retailer 15$4,514 AUD
Retailer 21$5,282 AUD
Retailer 11$5,554 AUD
Retailer 4$5,836 AUD
Retailer 18$6,543 AUD
Retailer 7$6,594 AUD
Retailer 10$7,100 AUD
Retailer 3$7,725 AUD
Retailer 16$8,521 AUD
Retailer 9$9,904 AUD
Do Amore Diamonds$13,610 AUD

13 data points across 21 retailers

17 retailers$2,201 AUD to $13,610 AUD

A
Cheapest Retailer
-
$2,201 AUD
$1,546 USD
A
Retailer 2
-
$2,394 AUD
$1,682 USD
View
A
Retailer 3
-
$2,553 AUD
$1,793 USD
View
A
Retailer 4
-
$2,557 AUD
$1,796 USD
View
Final sale: no returns
A
Retailer 5
-
$2,853 AUD
$2,004 USD
View
A
Retailer 6
-
$3,532 AUD
$2,481 USD
View
A
Retailer 7
-
$3,994 AUD
£2,209 GBP
View
A
Retailer 8
-
$4,029 AUD
$2,830 USD
View
A
Retailer 9
-
$4,514 AUD
$3,171 USD
View
B+
Retailer 10
-
$5,282 AUD
$3,710 USD
View
B+
Retailer 11
-
$5,836 AUD
£3,228 GBP
View
B+
Retailer 12
-
$6,543 AUD
ZAR 74,249 ZAR
View
B+
Retailer 13
-
$6,594 AUD
$4,632 USD
View
B
Retailer 14
-
$7,725 AUD
$5,426 USD
View
B
Retailer 15
-
$8,521 AUD
£4,713 GBP
View
B
Retailer 16
-
$9,904 AUD
$6,957 USD
View
Most Expensive
B
Do Amore Diamonds
20-E101293 · Oct 31
$13,610 AUD
$9,560 USD
View
16 more retailers have this diamond
Prices start from $2,201 AUDSave up to $11,409 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
$2,201 AUD