Marquise|Lab Grown|IGI

3.50ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG817664077

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817664077

Diamond specifications and retailer prices

From $503 USD
As of October 30, 2026
Save $2,217 USD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,720 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.5ct lab-grown marquise diamond

This 3.5ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817664077 or 817664077. Listed at 16 retailers as of October 28, 2026, with prices from $503 to $2,720, a $2,217 spread on the same certified stone. Rare Carat lists it at $2,720. 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

3.50
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817664077
Dimensions15.47 × 8.21 × 4.84 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.47 mm8.21 mm3.50 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817664077
Side View
Table 64.0%Crown 33.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $2,720 USD|Low: $483 USD|High: $2,765 USD|Avg: $1,370 USD|-1.6%
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
November 2, 2026
Retailer 14$503 USD
Retailer 13$564 USD
Retailer 15$624 USD
Retailer 16$624 USD
Retailer 10$747 USD
Retailer 11$765 USD
Retailer 5$971 USD
Retailer 6$1,001 USD
Retailer 2$1,031 USD
Retailer 8$1,300 USD
Retailer 12$1,611 USD
Retailer 3$1,642 USD
Retailer 7$2,033 USD
Retailer 4$2,315 USD
Retailer 9$2,606 USD
Rare Carat$2,720 USD

42 data points across 16 retailers

16 retailers$503 USD to $2,720 USD

A
Cheapest Retailer
-
$503 USD
A
Retailer 2
-
$564 USD
View
A
Retailer 3
-
$624 USD
View
Retailer 4
-
$624 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$747 USD
£588 GBP
View
A
Retailer 6
-
$765 USD
View
B+
Retailer 7
-
$971 USD
View
A
Retailer 8
-
$1,001 USD
View
A
Retailer 9
-
$1,031 USD
£812 GBP
View
A
Retailer 10
-
$1,300 USD
View
B+
Retailer 11
-
$1,611 USD
View
B+
Retailer 12
-
$1,642 USD
View
Retailer 13
-
$2,033 USD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$2,315 USD
View
B
Retailer 15
-
$2,606 USD
£2,052 GBP
View
Most Expensive
B+
Rare Carat
TDS4-12A_l_817664077 · Oct 28
$2,720 USD
View
15 more retailers have this diamond
Prices start from $503 USDSave up to $2,217 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 Marquise
$503 USD