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Princess|Lab Grown|IGI

3.51ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • IGI LG546216999

Shape and cutting style on the report: Princess cut

Certificate IGI LG546216999

Diamond specifications and retailer prices

From $9,916 USD
As of November 2, 2026
Save $8,563 USD (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $26,709 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.51ct lab-grown princess diamond

This 3.51ct lab-grown princess sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG546216999 or 546216999. Listed at 13 retailers as of November 1, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546216999
Dimensions8.48 × 8.20 × 5.62 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
8.48 mm8.20 mm3.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546216999
Side View
Table 65.5%Crown 40°Girdle: THK-VTKPavilion 37.2°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $26,709 USD|Low: $9,519 USD|High: $28,881 USD|Avg: $14,049 USD|-7.5%
Cape Diamonds
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
November 1, 2026
Retailer 10$9,916 USD
Retailer 14$10,312 USD
Retailer 5$10,639 USD
Retailer 12$10,780 USD
Retailer 11$11,502 USD
Retailer 15$11,502 USD
Retailer 6$11,538 USD
Retailer 3$12,280 USD
Retailer 13$12,591 USD
Retailer 9$14,028 USD
Retailer 7$14,818 USD
Retailer 4$16,474 USD
Retailer 8$18,479 USD
Retailer 2$26,523 USD
Cape Diamonds$26,709 USD

37 data points across 15 retailers

13 retailers$9,916 USD to $18,479 USD

B+
Cheapest Retailer
-
$9,916 USD
B
Retailer 2
-
$10,312 USD
View
B
Retailer 3
-
$10,639 USD
View
B+
Retailer 4
-
$10,780 USD
View
B
Retailer 5
-
$11,502 USD
View
Retailer 6
-
$11,502 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$12,280 USD
View
B
Retailer 8
-
$12,591 USD
View
B
Retailer 9
-
$14,028 USD
£11,046 GBP
View
B
Retailer 10
-
$16,474 USD
£12,972 GBP
View
B
Retailer 11
-
$18,479 USD
£14,550 GBP
View
Retailer 12
-
$26,523 USD
A$40,805 AUD
View
Price under review
Most Expensive
Cape Diamonds
cert_546216999 · Oct 29
$26,709 USD
ZAR 431,482 ZAR
View
Price under review
12 more retailers have this diamond
Prices start from $9,916 USDSave up to $8,563 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.

B+
3.51ct Princess
$9,916 USD