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Princess|Lab Grown|IGI

2.51ct D IF Princess Lab Grown Diamond

ID • D/IF

Diamond specifications and retailer prices

From HK$12,633 HKD
£1,268 GBP
As of November 1, 2026
Save HK$37,148 HKD (75%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$49,781 HKD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 2.51ct lab-grown princess diamond

This 2.51ct lab-grown princess sits in the two to three 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 HK$12,633 to HK$49,781, a HK$37,148 spread on the same certified stone. Blue Nile lists it at HK$49,781. 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

2.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.34 × 7.23 × 5.24 mm
L/W Ratio1.02
Top View
7.34 mm7.23 mm2.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 72.5%

Caratlytics Score

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

Last verified: Nov 1
Current: HK$49,781 HKD|Low: HK$12,633 HKD|High: HK$49,781 HKD|Avg: HK$30,270 HKD
Blue Nile
Retailer 2
November 1, 2026
Retailer 2HK$12,633 HKD
Blue NileHK$49,781 HKD

39 data points across 2 retailers

2 retailersHK$12,633 HKD to HK$49,781 HKD

A
Cheapest Retailer
-
HK$12,633 HKD
£1,268 GBP
Most Expensive
B
Blue Nile
27421070 · Oct 31
HK$49,781 HKD
$6,345 USD
View
1 more retailer has this diamond
Prices start from HK$12,633 HKDSave up to HK$37,148 HKD

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
2.51ct Princess
HK$12,633 HKD