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Princess|Lab Grown|IGI

1.51ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG629441721

Shape and cutting style on the report: Princess cut

Certificate IGI LG629441721

Diamond specifications and retailer prices

From HK$1,883 HKD
$240 USD
As of November 2, 2026
Save HK$7,611 HKD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$13,025 HKD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629441721 or 629441721. Listed at 20 retailers as of November 1, 2026, with a 404% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629441721
Dimensions6.20 × 6.18 × 4.50 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.20 mm6.18 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629441721
Side View
Table 70.0%Crown 43.7°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 72.8%

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: Nov 2
Current: HK$13,025 HKD|Low: HK$1,805 HKD|High: HK$13,025 HKD|Avg: HK$4,737 HKD
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 18HK$1,883 HKD
Retailer 8HK$2,111 HKD
Retailer 9HK$2,181 HKD
Retailer 4HK$2,338 HKD
Retailer 7HK$2,338 HKD
Retailer 12HK$2,729 HKD
Retailer 17HK$3,138 HKD
Retailer 11HK$4,032 HKD
Retailer 13HK$4,218 HKD
Retailer 10HK$4,300 HKD
Retailer 2HK$4,423 HKD
Retailer 14HK$5,442 HKD
Retailer 16HK$5,987 HKD
Retailer 6HK$7,509 HKD
Retailer 3HK$7,846 HKD
Retailer 15HK$9,367 HKD
Retailer 5HK$9,494 HKD
Brilliant EarthHK$13,025 HKD

44 data points across 18 retailers

20 retailersHK$1,883 HKD to HK$9,494 HKD

A
Cheapest Retailer
-
HK$1,883 HKD
$240 USD
A
Retailer 2
-
HK$2,111 HKD
$269 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,181 HKD
$278 USD
View
A
Retailer 4
-
HK$2,338 HKD
$298 USD
View
Retailer 5
-
HK$2,338 HKD
$298 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$2,729 HKD
£274 GBP
View
B+
Retailer 7
-
HK$3,138 HKD
$400 USD
View
A
Retailer 8
-
HK$3,829 HKD
$488 USD
View
A
Retailer 9
-
HK$4,032 HKD
ZAR 8,302 ZAR
View
B+
Retailer 10
-
HK$4,218 HKD
€512 EUR
View
B+
Retailer 11
-
HK$4,300 HKD
$548 USD
View
B+
Retailer 12
-
HK$4,423 HKD
£444 GBP
View
B+
Retailer 13
-
HK$5,442 HKD
A$1,067 AUD
View
B+
Retailer 14
-
HK$5,987 HKD
$763 USD
View
B
Retailer 15
-
HK$7,509 HKD
$957 USD
View
B
Retailer 16
-
HK$7,846 HKD
$1,000 USD
View
B
Retailer 17
-
HK$7,915 HKD
$1,009 USD
View
Retailer 18
-
HK$9,367 HKD
£940 GBP
View
Price last confirmed 8 days ago
B
Retailer 19
-
HK$9,494 HKD
$1,210 USD
View
Most Expensive
Brilliant Earth
21312267A · Oct 22
HK$13,025 HKD
$1,660 USD
View
Price last confirmed 11 days ago
19 more retailers have this diamond
Prices start from HK$1,883 HKDSave up to HK$7,611 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
1.51ct Princess
HK$1,883 HKD