CaratHunter
Plans
Princess|Lab Grown|IGI

3.51ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG754594391

Certificate IGI LG754594391

Diamond specifications and retailer prices

From $5,479 USD
Save $14,505 USD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $19,984 USD at Novita Diamonds
View at Novita Diamonds

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 LG754594391 or 754594391. Listed at 14 retailers, with prices from $5,479 to $19,984 at Novita Diamonds, a $14,505 spread on the same certified stone. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594391
Dimensions8.40 × 8.40 × 8.15 mm
L/W Ratio1.00
Culet sizePointed
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
8.40 mm8.40 mm3.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594391
Side View
Table 64.0%Crown 43.5°Girdle: MediumPavilion 36.6°Culet: NoneDepth 71.9%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $19,984 USD|Low: $4,364 USD|High: $37,530 USD|Avg: $13,956 USD|-10.2%
Novita 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
Retailer 16
Retailer 17
Retailer 18
October 1, 2026
Retailer 4$5,479 USD
Retailer 16$5,639 USD
Retailer 17$6,110 USD
Retailer 3$6,295 USD
Retailer 11$6,600 USD
Retailer 12$8,177 USD
Retailer 5$8,614 USD
Retailer 9$10,175 USD
Retailer 2$11,337 USD
Retailer 14$14,285 USD
Retailer 6$15,770 USD
Retailer 13$16,183 USD
Retailer 15$17,401 USD
Retailer 8$19,370 USD
Novita Diamonds$19,984 USD
Retailer 7$20,190 USD
Retailer 10$26,508 USD
Retailer 18$37,270 USD

16 data points across 18 retailers

14 retailers$5,479 USD to $19,984 USD

A
Cheapest Retailer
-
$5,479 USD
A
Retailer 2
-
$5,639 USD
View
A
Retailer 3
-
$6,110 USD
View
A
Retailer 4
-
$6,295 USD
View
A
Retailer 5
-
$6,600 USD
View
B+
Retailer 6
-
$8,177 USD
View
B+
Retailer 7
-
$8,614 USD
View
B+
Retailer 8
-
$11,337 USD
€10,797 EUR
View
B
Retailer 9
-
$14,285 USD
£11,248 GBP
View
B
Retailer 10
-
$15,770 USD
View
B
Retailer 11
-
$16,183 USD
A$24,897 AUD
View
B
Retailer 12
-
$17,401 USD
View
Most Expensive
B
Novita Diamonds
cert_754594391 · Oct 1
$19,984 USD
A$30,745 AUD
View
12 more retailers have this diamond
Prices start from $5,479 USDSave up to $14,505 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.

A
3.51ct Princess
$5,479 USD