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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 $718 AUD
$503 USD
As of November 2, 2026
Save $3,163 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,881 AUD 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 $718 to $3,881, a $3,163 spread on the same certified stone. Rare Carat lists it at $3,881. 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
Colour
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: Nov 2
Current: $3,881 AUD|Low: $689 AUD|High: $3,945 AUD|Avg: $1,954 AUD|-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$718 AUD
Retailer 13$805 AUD
Retailer 15$890 AUD
Retailer 16$890 AUD
Retailer 2$1,066 AUD
Retailer 11$1,092 AUD
Retailer 5$1,386 AUD
Retailer 6$1,428 AUD
Retailer 9$1,471 AUD
Retailer 8$1,855 AUD
Retailer 12$2,299 AUD
Retailer 3$2,343 AUD
Retailer 7$2,901 AUD
Retailer 4$3,303 AUD
Retailer 10$3,719 AUD
Rare Carat$3,881 AUD

42 data points across 16 retailers

16 retailers$718 AUD to $3,881 AUD

A
Cheapest Retailer
-
$718 AUD
$503 USD
A
Retailer 2
-
$805 AUD
$564 USD
View
A
Retailer 3
-
$890 AUD
$624 USD
View
Retailer 4
-
$890 AUD
$624 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$1,066 AUD
£588 GBP
View
A
Retailer 6
-
$1,092 AUD
$765 USD
View
B+
Retailer 7
-
$1,386 AUD
$971 USD
View
A
Retailer 8
-
$1,428 AUD
$1,001 USD
View
A
Retailer 9
-
$1,471 AUD
£812 GBP
View
A
Retailer 10
-
$1,855 AUD
$1,300 USD
View
B+
Retailer 11
-
$2,299 AUD
$1,611 USD
View
B+
Retailer 12
-
$2,343 AUD
$1,642 USD
View
Retailer 13
-
$2,901 AUD
$2,033 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$3,303 AUD
$2,315 USD
View
B
Retailer 15
-
$3,719 AUD
£2,052 GBP
View
Most Expensive
B+
Rare Carat
TDS4-12A_l_817664077 · Oct 28
$3,881 AUD
$2,720 USD
View
15 more retailers have this diamond
Prices start from $718 AUDSave up to $3,163 AUD

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
$718 AUD