Princess|Lab Grown|IGI

15.54ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG821636887

Shape and cutting style on the report: Princess cut

Certificate IGI LG821636887

Diamond specifications and retailer prices

From $5,435 USD
£4,280 GBP
As of November 1, 2026
Save $8,870 USD (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $14,305 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 15.54ct lab-grown princess diamond

This 15.54ct lab-grown princess sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821636887 or 821636887. Listed at 4 retailers as of October 31, 2026, with prices from $5,435 to $14,305, a $8,870 spread on the same certified stone. Taylor and Hart lists it at $14,305. 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

15.54
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821636887
Dimensions13.80 × 13.27 × 9.34 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.80 mm13.27 mm15.54 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821636887
Side View
Table 67.0%Crown 46.7°Girdle: ThickPavilion 35.5°Culet: NoneDepth 70.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $5,435 USD|Low: $5,402 USD|High: $14,929 USD|Avg: $9,987 USD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
November 1, 2026
Retailer 1$5,435 USD
Retailer 2$5,858 USD
Retailer 3$14,102 USD
Taylor and Hart$14,305 USD

40 data points across 4 retailers

4 retailers$5,435 USD to $14,305 USD

A
Cheapest Retailer
-
$5,435 USD
£4,280 GBP
A
Retailer 2
-
$5,858 USD
View
B
Retailer 3
-
$14,102 USD
View
Most Expensive
B
Taylor and Hart
RSYC719 · Oct 31
$14,305 USD
View
3 more retailers have this diamond
Prices start from $5,435 USDSave up to $8,870 USD

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
15.54ct Princess
$5,435 USD