CaratHunter
Plans
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 $307 SGD
As of November 4, 2026
Save $1,239 SGD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,120 SGD 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 4, 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 4
Current: $2,120 SGD|Low: $294 SGD|High: $2,120 SGD|Avg: $790 SGD
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 5, 2026
Retailer 18$307 SGD
Retailer 8$344 SGD
Retailer 9$355 SGD
Retailer 4$381 SGD
Retailer 7$381 SGD
Retailer 2$441 SGD
Retailer 17$511 SGD
Retailer 14$655 SGD
Retailer 15$686 SGD
Retailer 10$700 SGD
Retailer 11$713 SGD
Retailer 12$888 SGD
Retailer 16$975 SGD
Retailer 6$1,222 SGD
Retailer 3$1,277 SGD
Retailer 13$1,523 SGD
Retailer 5$1,546 SGD
Brilliant Earth$2,120 SGD

45 data points across 18 retailers

20 retailers$307 SGD to $1,546 SGD

A
Cheapest Retailer
-
$307 SGD
A
Retailer 2
-
$344 SGD
View
Final sale: no returns
A
Retailer 3
-
$355 SGD
View
A
Retailer 4
-
$381 SGD
View
Retailer 5
-
$381 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$441 SGD
View
B+
Retailer 7
-
$511 SGD
View
A
Retailer 8
-
$623 SGD
View
A
Retailer 9
-
$655 SGD
View
Retailer 10
-
$686 SGD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$700 SGD
View
A
Retailer 12
-
$713 SGD
View
B+
Retailer 13
-
$888 SGD
View
B+
Retailer 14
-
$975 SGD
View
B
Retailer 15
-
$1,222 SGD
View
B
Retailer 16
-
$1,277 SGD
View
B
Retailer 17
-
$1,288 SGD
View
B
Retailer 18
-
$1,523 SGD
View
B
Retailer 19
-
$1,546 SGD
View
Most Expensive
Brilliant Earth
21312267A · Oct 22
$2,120 SGD
$1,660 USD
View
Price last confirmed 14 days ago
19 more retailers have this diamond
Prices start from $307 SGDSave up to $1,239 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
$307 SGD