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Princess|Lab Grown|IGI

3.15ct D IF Princess Lab Grown Diamond

ID • D/IF

Diamond specifications and retailer prices

From $3,155 AUD
£1,745 GBP
As of November 1, 2026
Save $9,829 AUD (76%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $12,983 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.15ct lab-grown princess diamond

This 3.15ct lab-grown princess 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. Listed at 2 retailers as of October 31, 2026, with prices from $3,155 to $12,983, a $9,829 spread on the same certified stone. Blue Nile lists it at $12,983. 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
OriginLab Grown
Grading LabIGI
Dimensions8.04 × 8.01 × 5.46 mm
L/W Ratio1.00
Top View
8.04 mm8.01 mm3.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 70.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $12,983 AUD|Low: $3,155 AUD|High: $12,983 AUD|Avg: $8,311 AUD
Blue Nile
Retailer 2
November 1, 2026
Retailer 2$3,155 AUD
Blue Nile$12,983 AUD

35 data points across 2 retailers

2 retailers$3,155 AUD to $12,983 AUD

A
Cheapest Retailer
-
$3,155 AUD
£1,745 GBP
Most Expensive
B
Blue Nile
27423132 · Oct 31
$12,983 AUD
$9,120 USD
View
1 more retailer has this diamond
Prices start from $3,155 AUDSave up to $9,829 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 Princess
$3,155 AUD