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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG817696082

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

Certificate IGI LG817696082

Diamond specifications and retailer prices

From $1,905 AUD
$1,338 USD
As of October 31, 2026
Save $7,969 AUD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,873 AUD at Novita Diamonds · As of October 31, 2026
View at Novita 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 LG817696082 or 817696082. Listed at 16 retailers as of October 31, 2026, with prices from $1,905 to $9,873, a $7,969 spread on the same certified stone. Novita Diamonds lists it at $9,873. 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 angle44.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817696082
Dimensions10.89 × 6.84 × 4.74 mm
L/W Ratio1.59
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.89 mm6.84 mm3.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817696082
Side View
Table 67.0%Crown 44.5°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 69.3%

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 31
Current: $9,873 AUD|Low: $1,905 AUD|High: $9,873 AUD|Avg: $4,148 AUD
Novita 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
October 31, 2026
Retailer 9$1,905 AUD
Retailer 3$2,228 AUD
Retailer 12$2,449 AUD
Retailer 10$2,840 AUD
Retailer 5$2,847 AUD
Retailer 2$3,003 AUD
Retailer 11$3,797 AUD
Retailer 15$4,427 AUD
Retailer 8$4,524 AUD
Retailer 16$4,601 AUD
Retailer 7$4,816 AUD
Retailer 4$5,508 AUD
Retailer 6$6,400 AUD
Retailer 14$6,944 AUD
Retailer 13$7,182 AUD
Novita Diamonds$9,873 AUD

21 data points across 16 retailers

16 retailers$1,905 AUD to $9,873 AUD

A
Cheapest Retailer
-
$1,905 AUD
$1,338 USD
Final sale: no returns
A
Retailer 2
-
$2,228 AUD
$1,565 USD
View
A
Retailer 3
-
$2,449 AUD
$1,720 USD
View
A
Retailer 4
-
$2,840 AUD
£1,571 GBP
View
A
Retailer 5
-
$2,847 AUD
$2,000 USD
View
A
Retailer 6
-
$3,003 AUD
€2,009 EUR
View
A
Retailer 7
-
$3,797 AUD
$2,667 USD
View
A
Retailer 8
-
$4,427 AUD
$3,110 USD
View
Retailer 9
-
$4,524 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$4,601 AUD
ZAR 52,215 ZAR
View
A
Retailer 11
-
$4,816 AUD
£2,664 GBP
View
B+
Retailer 12
-
$5,508 AUD
$3,869 USD
View
B+
Retailer 13
-
$6,400 AUD
£3,540 GBP
View
B+
Retailer 14
-
$6,944 AUD
$4,878 USD
View
B+
Retailer 15
-
$7,182 AUD
$5,045 USD
View
Most Expensive
Novita Diamonds
cert_817696082 · Oct 31
$9,873 AUD
View
15 more retailers have this diamond
Prices start from $1,905 AUDSave up to $7,969 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
$1,905 AUD