Princess|Lab Grown|IGI

15.89ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG731504981

Shape and cutting style on the report: Princess cut

Certificate IGI LG731504981

Diamond specifications and retailer prices

From $4,245 USD
As of October 29, 2026
Save $10,727 USD (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $14,972 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 15.89ct lab-grown princess diamond

This 15.89ct 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 LG731504981 or 731504981. Listed at 7 retailers as of October 29, 2026, with prices from $4,245 to $14,972, a $10,727 spread on the same certified stone. Taylor and Hart lists it at $14,972. 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

15.89
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731504981
Dimensions13.75 × 13.56 × 9.58 mm
L/W Ratio1.01
Culet sizePointed
Top View
13.75 mm13.56 mm15.89 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731504981
Side View
Table 70.0%Crown 43°Girdle: Slightly ThickPavilion 38.2°Culet: NoneDepth 70.6%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $5,545 USD|Low: $2,926 USD|High: $14,972 USD|Avg: $7,697 USD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
October 30, 2026
Retailer 7$4,097 USD
Retailer 2$4,245 USD
Retailer 8$4,668 USD
Retailer 1$5,545 USD
Retailer 4$5,738 USD
Retailer 5$6,577 USD
Retailer 6$7,350 USD
Retailer 3$14,744 USD
Taylor and Hart$14,972 USD

32 data points across 9 retailers

7 retailers$4,245 USD to $14,972 USD

A
Cheapest Retailer
-
$4,245 USD
A
Retailer 2
-
$4,668 USD
View
A
Retailer 3
-
$5,545 USD
£4,366 GBP
View
A
Retailer 4
-
$5,738 USD
View
B+
Retailer 5
-
$6,577 USD
View
B
Retailer 6
-
$14,744 USD
View
Most Expensive
B
Taylor and Hart
25VTBAE · Oct 30
$14,972 USD
View
6 more retailers have this diamond
Prices start from $4,245 USDSave up to $10,727 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
15.89ct Princess
$4,245 USD