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Princess|Lab Grown|IGI

1.51ct D IF Princess Lab Grown Diamond

D/IF

Diamond specifications and retailer prices

From $1,124 SGD
£692 GBP
As of October 30, 2026
Save $3,215 SGD (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,339 SGD at The Diamond Guys · As of October 30, 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 October 30, 2026, with prices from $1,124 to $4,339, a $3,215 spread on the same certified stone. The Diamond Guys lists it at $4,339. 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
Dimensions6.31 × 6.29 × 4.34 mm
L/W Ratio1.00
Top View
6.31 mm6.29 mm1.51 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 71.0%CrownGirdle: MediumPavilionCulet: NoneDepth 69.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,124 SGD|Low: $1,124 SGD|High: $5,158 SGD|Avg: $3,201 SGD|-14.8%
Retailer 1
Retailer 2
The Diamond Guys
October 30, 2026
Retailer 1$1,124 SGD
Retailer 2$3,008 SGD
The Diamond Guys$4,339 SGD

30 data points across 3 retailers

3 retailers$1,124 SGD to $4,339 SGD

A
Cheapest Retailer
-
$1,124 SGD
£692 GBP
B
Retailer 2
-
$3,008 SGD
CA$3,268 CAD
View
Most Expensive
B
The Diamond Guys
1883044589 · Oct 30
$4,339 SGD
$3,394 USD
View
2 more retailers have this diamond
Prices start from $1,124 SGDSave up to $3,215 SGD

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
$1,124 SGD