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Princess|Lab Grown|IGI

2.51ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • IGI LG677579996

Shape and cutting style on the report: Princess cut

Certificate IGI LG677579996

Diamond specifications and retailer prices

From HK$4,252 HKD
$542 USD
As of October 30, 2026
Save HK$18,657 HKD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$22,909 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.51ct lab-grown princess diamond

This 2.51ct lab-grown princess sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG677579996 or 677579996. Listed at 16 retailers as of October 30, 2026, with prices from HK$4,252 to HK$22,909, a HK$18,657 spread on the same certified stone. Brilliant Earth lists it at HK$22,909. 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677579996
Dimensions7.57 × 7.47 × 5.20 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.57 mm7.47 mm2.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677579996
Side View
Table 63.0%Crown 35.4°Girdle: Slightly ThickPavilion 38.3°Culet: NoneDepth 69.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$22,909 HKD|Low: HK$4,080 HKD|High: HK$24,635 HKD|Avg: HK$10,731 HKD|-7.0%
Brilliant Earth
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
November 1, 2026
Retailer 13HK$4,252 HKD
Retailer 6HK$4,762 HKD
Retailer 4HK$5,272 HKD
Retailer 14HK$5,272 HKD
Retailer 8HK$6,018 HKD
Retailer 11HK$6,316 HKD
Retailer 7HK$7,289 HKD
Retailer 15HK$8,152 HKD
Retailer 9HK$11,709 HKD
Retailer 10HK$12,728 HKD
Retailer 12HK$13,612 HKD
Retailer 3HK$13,871 HKD
Retailer 5HK$15,305 HKD
Retailer 2HK$22,021 HKD
Brilliant EarthHK$22,909 HKD

42 data points across 15 retailers

16 retailersHK$4,252 HKD to HK$22,909 HKD

A
Cheapest Retailer
-
HK$4,252 HKD
$542 USD
A
Retailer 2
-
HK$4,762 HKD
$607 USD
View
Retailer 3
-
HK$5,272 HKD
$672 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
HK$5,272 HKD
$672 USD
View
A
Retailer 5
-
HK$6,018 HKD
£604 GBP
View
A
Retailer 6
-
HK$6,316 HKD
$805 USD
View
A
Retailer 7
-
HK$7,289 HKD
$929 USD
View
B+
Retailer 8
-
HK$8,152 HKD
$1,039 USD
View
B+
Retailer 9
-
HK$11,047 HKD
View
B+
Retailer 10
-
HK$11,709 HKD
A$2,296 AUD
View
B+
Retailer 11
-
HK$12,728 HKD
ZAR 26,208 ZAR
View
B+
Retailer 12
-
HK$13,612 HKD
$1,735 USD
View
B+
Retailer 13
-
HK$13,871 HKD
$1,768 USD
View
B+
Retailer 14
-
HK$15,305 HKD
£1,536 GBP
View
B
Retailer 15
-
HK$22,021 HKD
£2,210 GBP
View
Most Expensive
B
Brilliant Earth
17970465A · Oct 31
HK$22,909 HKD
$2,920 USD
View
15 more retailers have this diamond
Prices start from HK$4,252 HKDSave up to HK$18,657 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$4,252 HKD