Princess|Lab Grown|IGI

3.50ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG618476300

Shape and cutting style on the report: Princess cut

Certificate IGI LG618476300

Diamond specifications and retailer prices

From $370 USD
As of October 30, 2026
Save $2,920 USD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,290 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.5ct lab-grown princess diamond

This 3.5ct lab-grown princess sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618476300 or 618476300. Listed at 9 retailers as of October 30, 2026, with prices from $370 to $3,290, a $2,920 spread on the same certified stone. Do Amore Diamonds lists it at $3,290. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.50
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618476300
Dimensions8.33 × 8.30 × 6.00 mm
L/W Ratio1.00
Culet sizeNone
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
8.33 mm8.30 mm3.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618476300
Side View
Table 70.0%Crown 42.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 72.3%

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 30
Current: $3,290 USD|Low: $581 USD|High: $3,750 USD|Avg: $1,805 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$581 USD
Retailer 3$610 USD
Retailer 5$733 USD
Retailer 4$1,345 USD
Retailer 6$1,373 USD
Retailer 7$1,989 USD
Do Amore Diamonds$3,290 USD
Retailer 8$3,750 USD

4 data points across 8 retailers

9 retailers$370 USD to $3,290 USD

A
Cheapest Retailer
-
$370 USD
A
Retailer 2
-
$581 USD
£457 GBP
View
A
Retailer 3
-
$610 USD
View
B+
Retailer 4
-
$733 USD
View
B+
Retailer 5
-
$1,345 USD
View
B+
Retailer 6
-
$1,373 USD
View
B+
Retailer 7
-
$1,989 USD
£1,566 GBP
View
B
Retailer 8
-
$2,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-FC8D8078F · Oct 31
$3,290 USD
View
8 more retailers have this diamond
Prices start from $370 USDSave up to $2,920 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
3.50ct Princess
$370 USD