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Marquise|Lab Grown|IGI

5.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG831681233

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831681233

Diamond specifications and retailer prices

From HK$5,186 HKD
$661 USD
As of November 2, 2026
Save HK$37,183 HKD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$42,369 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831681233 or 831681233. Listed at 20 retailers as of November 2, 2026, with prices from HK$5,186 to HK$42,369, a HK$37,183 spread on the same certified stone. Brilliant Earth lists it at HK$42,369. 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

5.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831681233
Dimensions18.25 × 8.90 × 5.43 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.25 mm8.90 mm5.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831681233
Side View
Table 65.0%Crown 34.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.0%

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$42,369 HKD|Low: HK$5,186 HKD|High: HK$42,369 HKD|Avg: HK$16,291 HKD
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 3, 2026
Retailer 3HK$5,186 HKD
Retailer 15HK$5,649 HKD
Retailer 4HK$6,018 HKD
Retailer 14HK$6,518 HKD
Retailer 5HK$7,415 HKD
Retailer 19HK$9,047 HKD
Retailer 2HK$9,628 HKD
Retailer 11HK$9,815 HKD
Retailer 20HK$12,199 HKD
Retailer 13HK$12,225 HKD
Retailer 18HK$15,378 HKD
Retailer 10HK$15,873 HKD
Retailer 8HK$16,924 HKD
Retailer 7HK$19,333 HKD
Retailer 6HK$20,170 HKD
Retailer 12HK$20,768 HKD
Retailer 16HK$25,360 HKD
Retailer 17HK$28,667 HKD
Retailer 9HK$35,033 HKD
Brilliant EarthHK$42,369 HKD

9 data points across 20 retailers

20 retailersHK$5,186 HKD to HK$42,369 HKD

A
Cheapest Retailer
-
HK$5,186 HKD
$661 USD
A
Retailer 2
-
HK$5,649 HKD
$720 USD
View
A
Retailer 3
-
HK$6,018 HKD
$767 USD
View
A
Retailer 4
-
HK$6,518 HKD
£654 GBP
View
A
Retailer 5
-
HK$7,415 HKD
$945 USD
View
A
Retailer 6
-
HK$9,047 HKD
$1,153 USD
View
A
Retailer 7
-
HK$9,628 HKD
£966 GBP
View
B+
Retailer 8
-
HK$9,815 HKD
$1,251 USD
View
A
Retailer 9
-
HK$12,199 HKD
A$2,392 AUD
View
A
Retailer 10
-
HK$12,225 HKD
ZAR 25,172 ZAR
View
B+
Retailer 11
-
HK$15,378 HKD
$1,960 USD
View
B+
Retailer 12
-
HK$15,873 HKD
$2,023 USD
View
B+
Retailer 13
-
HK$16,924 HKD
$2,157 USD
View
B+
Retailer 14
-
HK$19,333 HKD
$2,464 USD
View
B+
Retailer 15
-
HK$20,170 HKD
SGD 3,474 SGD
View
B+
Retailer 16
-
HK$20,768 HKD
$2,647 USD
View
B
Retailer 17
-
HK$25,360 HKD
£2,545 GBP
View
B
Retailer 18
-
HK$28,667 HKD
A$5,621 AUD
View
B
Retailer 19
-
HK$35,033 HKD
$4,465 USD
View
Most Expensive
B
Brilliant Earth
22347597A · Nov 2
HK$42,369 HKD
$5,400 USD
View
19 more retailers have this diamond
Prices start from HK$5,186 HKDSave up to HK$37,183 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
5.09ct Marquise
HK$5,186 HKD