Princess|Lab Grown|IGI

3.51ct I VS2 Princess Lab Grown Diamond

ID • I/VS2 • IGI LG581317834

Shape and cutting style on the report: Princess cut

Certificate IGI LG581317834

Diamond specifications and retailer prices

From $1,278 USD
As of October 29, 2026
6 retailers carry this diamond
Most expensive: $1,990 USD at Rare Carat · As of September 24, 2026
View at Rare Carat

About this 3.51ct lab-grown princess diamond

This 3.51ct lab-grown princess sits in the three to five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG581317834 or 581317834. Listed at 6 retailers as of October 29, 2026. 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

3.51
Carat
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581317834
Dimensions8.18 × 7.92 × 5.93 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.18 mm7.92 mm3.51 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581317834
Side View
Table 67.0%Crown 45.2°Girdle: THK-VTKPavilion 38.3°Culet: NoneDepth 74.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,990 USD|Low: $476 USD|High: $4,311 USD|Avg: $1,628 USD
Rare Carat
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
October 10, 2026
Retailer 4$476 USD
Retailer 14$527 USD
Retailer 15$630 USD
Retailer 12$708 USD
Retailer 17$871 USD
Retailer 9$954 USD
Retailer 16$1,158 USD
Retailer 2$1,268 USD
Retailer 10$1,278 USD
Retailer 5$1,539 USD
Retailer 3$1,729 USD
Retailer 7$1,809 USD
Retailer 6$1,840 USD
Retailer 11$1,958 USD
Rare Carat$1,990 USD
Retailer 13$3,610 USD
Retailer 8$4,311 USD

16 data points across 17 retailers

6 retailers

Retailer 1
-
$425 USD
Price last confirmed 38 days ago
Retailer 2
-
$476 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$521 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$870 USD
HK$6,800 HKD
View
Price last confirmed 56 days ago
A
Retailer 5
-
$1,278 USD
View
Most Expensive
Rare Carat
609609_l_581317834 · Sep 24
$1,990 USD
View
Price last confirmed 36 days ago
5 more retailers have this diamond
Prices start from $1,278 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
3.51ct Princess
$1,278 USD