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Princess|Lab Grown|IGI

1.51ct D IF Princess Lab Grown Diamond

D/IF

Diamond specifications and retailer prices

From $1,251 AUD
£690 GBP
As of November 2, 2026
Save $3,592 AUD (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,843 AUD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI. Listed at 3 retailers as of November 1, 2026, with prices from $1,251 to $4,843, a $3,592 spread on the same certified stone. The Diamond Guys lists it at $4,843. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.18 × 6.11 × 4.47 mm
L/W Ratio1.01
Top View
6.18 mm6.11 mm1.51 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 73.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $1,251 AUD|Low: $1,251 AUD|High: $5,758 AUD|Avg: $3,559 AUD|-15.4%
Retailer 1
Retailer 2
The Diamond Guys
November 2, 2026
Retailer 1$1,251 AUD
Retailer 2$3,357 AUD
The Diamond Guys$4,843 AUD

35 data points across 3 retailers

3 retailers$1,251 AUD to $4,843 AUD

A
Cheapest Retailer
-
$1,251 AUD
£690 GBP
B
Retailer 2
-
$3,357 AUD
CA$3,268 CAD
View
Most Expensive
B
The Diamond Guys
1961936559 · Nov 1
$4,843 AUD
$3,394 USD
View
2 more retailers have this diamond
Prices start from $1,251 AUDSave up to $3,592 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
1.51ct Princess
$1,251 AUD