Princess|Lab Grown|IGI

3.51ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG831645415

Shape and cutting style on the report: Princess cut

Certificate IGI LG831645415

Diamond specifications and retailer prices

From €3,889 EUR
$4,345 USD
As of October 31, 2026
Save €14,082 EUR (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €17,971 EUR at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 3.51ct lab-grown princess diamond

This 3.51ct lab-grown princess sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831645415 or 831645415. Listed at 13 retailers as of October 27, 2026, with prices from €3,889 to €17,971, a €14,082 spread on the same certified stone. Wholesale Diamonds Direct lists it at €17,971. 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831645415
Dimensions8.41 × 8.33 × 5.92 mm
L/W Ratio1.01
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.41 mm8.33 mm3.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831645415
Side View
Table 70.0%Crown 40.8°Girdle: MediumPavilion 38.8°Culet: NoneDepth 71.1%

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 31
Current: €8,586 EUR|Low: €3,889 EUR|High: €26,539 EUR|Avg: €13,084 EUR|-35.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 1, 2026
Retailer 7€3,889 EUR
Retailer 9€4,170 EUR
Retailer 6€4,509 EUR
Retailer 4€5,133 EUR
Retailer 2€7,864 EUR
Retailer 8€8,468 EUR
Retailer 1€8,586 EUR
Retailer 3€10,961 EUR
Retailer 11€11,859 EUR
Retailer 10€13,229 EUR
Retailer 5€17,126 EUR
Wholesale Diamonds Direct€17,971 EUR

20 data points across 12 retailers

13 retailers€3,889 EUR to €17,971 EUR

A
Cheapest Retailer
-
€3,889 EUR
$4,345 USD
A
Retailer 2
-
€4,170 EUR
HK$36,400 HKD
View
A
Retailer 3
-
€4,509 EUR
£3,966 GBP
View
B+
Retailer 4
-
€5,026 EUR
$5,615 USD
View
A
Retailer 5
-
€5,133 EUR
$5,735 USD
View
B+
Retailer 6
-
€7,864 EUR
ZAR 141,936 ZAR
View
B+
Retailer 7
-
€8,468 EUR
$9,460 USD
View
B+
Retailer 8
-
€8,586 EUR
£7,553 GBP
View
B
Retailer 9
-
€10,961 EUR
View
B
Retailer 10
-
€11,859 EUR
$13,249 USD
View
B
Retailer 11
-
€13,229 EUR
$14,780 USD
View
B
Retailer 12
-
€17,126 EUR
A$29,436 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
496695853 · Oct 27
€17,971 EUR
$20,077 USD
View
12 more retailers have this diamond
Prices start from €3,889 EURSave up to €14,082 EUR

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
€3,889 EUR