Princess|Lab Grown|IGI

15.12ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG729554355

Shape and cutting style on the report: Princess cut

Certificate IGI LG729554355

Diamond specifications and retailer prices

From $3,002 USD
£2,363 GBP
As of October 30, 2026
Save $10,307 USD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,309 USD at Adiamor · As of October 31, 2026
View at Adiamor

About this 15.12ct lab-grown princess diamond

This 15.12ct 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 LG729554355 or 729554355. Listed at 14 retailers as of October 30, 2026, with prices from $3,002 to $13,309, a $10,307 spread on the same certified stone. Adiamor lists it at $13,309. 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

15.12
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729554355
Dimensions13.33 × 13.01 × 9.21 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.33 mm13.01 mm15.12 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729554355
Side View
Table 70.0%Crown 46.8°Girdle: Slightly ThickPavilion 35.6°Culet: NoneDepth 70.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $13,309 USD|Low: $2,992 USD|High: $13,414 USD|Avg: $4,972 USD
Adiamor
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
October 31, 2026
Retailer 7$3,002 USD
Retailer 11$3,212 USD
Retailer 10$3,495 USD
Retailer 6$3,726 USD
Retailer 12$3,726 USD
Retailer 2$3,730 USD
Retailer 5$3,823 USD
Retailer 13$4,656 USD
Retailer 8$4,954 USD
Retailer 4$5,244 USD
Retailer 9$5,767 USD
Retailer 14$5,786 USD
Retailer 3$6,938 USD
Adiamor$13,309 USD

42 data points across 14 retailers

14 retailers$3,002 USD to $13,309 USD

A
Cheapest Retailer
-
$3,002 USD
£2,363 GBP
A
Retailer 2
-
$3,212 USD
View
A
Retailer 3
-
$3,495 USD
View
A
Retailer 4
-
$3,726 USD
View
Retailer 5
-
$3,726 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$3,730 USD
View
A
Retailer 7
-
$3,823 USD
View
Final sale: no returns
A
Retailer 8
-
$4,656 USD
View
A
Retailer 9
-
$4,954 USD
£3,901 GBP
View
A
Retailer 10
-
$5,244 USD
View
A
Retailer 11
-
$5,767 USD
ZAR 93,162 ZAR
View
Retailer 12
-
$5,786 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$6,938 USD
A$10,674 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
Adiamor
D-70609159 · Oct 31
$13,309 USD
View
13 more retailers have this diamond
Prices start from $3,002 USDSave up to $10,307 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
15.12ct Princess
$3,002 USD