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Marquise|Lab Grown|IGI

3.77ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG811691102

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811691102

Diamond specifications and retailer prices

From HK$4,566 HKD
$582 USD
As of November 1, 2026
Save HK$20,463 HKD (82%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$25,029 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.77ct lab-grown marquise diamond

This 3.77ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811691102 or 811691102. Listed at 4 retailers as of October 28, 2026, with prices from HK$4,566 to HK$25,029, a HK$20,463 spread on the same certified stone. Rare Carat lists it at HK$25,029. 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

3.77
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811691102
Dimensions15.69 × 8.21 × 5.12 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.69 mm8.21 mm3.77 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811691102
Side View
Table 62.0%Crown 35.4°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

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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: Nov 1
Current: HK$25,029 HKD|Low: HK$4,566 HKD|High: HK$26,588 HKD|Avg: HK$13,509 HKD|-5.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3HK$4,566 HKD
Retailer 8HK$7,697 HKD
Retailer 2HK$8,162 HKD
Retailer 4HK$8,591 HKD
Retailer 9HK$11,957 HKD
Retailer 5HK$12,342 HKD
Retailer 7HK$13,751 HKD
Retailer 6HK$16,567 HKD
Retailer 10HK$20,510 HKD
Rare CaratHK$25,029 HKD

38 data points across 10 retailers

4 retailersHK$4,566 HKD to HK$25,029 HKD

A
Cheapest Retailer
-
HK$4,566 HKD
$582 USD
Final sale: no returns
A
Retailer 2
-
HK$8,162 HKD
£819 GBP
View
Retailer 3
-
HK$21,374 HKD
A$4,191 AUD
View
Price last confirmed 121 days ago
Most Expensive
B
Rare Carat
811691102 · Oct 28
HK$25,029 HKD
$3,190 USD
View
3 more retailers have this diamond
Prices start from HK$4,566 HKDSave up to HK$20,463 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
3.77ct Marquise
HK$4,566 HKD