CaratHunter
Plans
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 HK$3,947 HKD
$503 USD
As of November 2, 2026
Save HK$17,395 HKD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$21,341 HKD 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 HK$3,947 to HK$21,341, a HK$17,395 spread on the same certified stone. Rare Carat lists it at HK$21,341. 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: HK$21,341 HKD|Low: HK$3,790 HKD|High: HK$21,694 HKD|Avg: HK$10,747 HKD|-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 14HK$3,947 HKD
Retailer 13HK$4,425 HKD
Retailer 15HK$4,896 HKD
Retailer 16HK$4,896 HKD
Retailer 2HK$5,861 HKD
Retailer 11HK$6,002 HKD
Retailer 5HK$7,619 HKD
Retailer 6HK$7,854 HKD
Retailer 9HK$8,087 HKD
Retailer 8HK$10,200 HKD
Retailer 12HK$12,640 HKD
Retailer 3HK$12,883 HKD
Retailer 7HK$15,950 HKD
Retailer 4HK$18,164 HKD
Retailer 10HK$20,447 HKD
Rare CaratHK$21,341 HKD

42 data points across 16 retailers

16 retailersHK$3,947 HKD to HK$21,341 HKD

A
Cheapest Retailer
-
HK$3,947 HKD
$503 USD
A
Retailer 2
-
HK$4,425 HKD
$564 USD
View
A
Retailer 3
-
HK$4,896 HKD
$624 USD
View
Retailer 4
-
HK$4,896 HKD
$624 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
HK$5,861 HKD
£588 GBP
View
A
Retailer 6
-
HK$6,002 HKD
$765 USD
View
B+
Retailer 7
-
HK$7,619 HKD
$971 USD
View
A
Retailer 8
-
HK$7,854 HKD
$1,001 USD
View
A
Retailer 9
-
HK$8,087 HKD
£812 GBP
View
A
Retailer 10
-
HK$10,200 HKD
$1,300 USD
View
B+
Retailer 11
-
HK$12,640 HKD
$1,611 USD
View
B+
Retailer 12
-
HK$12,883 HKD
$1,642 USD
View
Retailer 13
-
HK$15,950 HKD
$2,033 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
HK$18,164 HKD
$2,315 USD
View
B
Retailer 15
-
HK$20,447 HKD
£2,052 GBP
View
Most Expensive
B+
Rare Carat
TDS4-12A_l_817664077 · Oct 28
HK$21,341 HKD
$2,720 USD
View
15 more retailers have this diamond
Prices start from HK$3,947 HKDSave up to HK$17,395 HKD

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
HK$3,947 HKD