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Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG843668517

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843668517

Diamond specifications and retailer prices

From HK$10,168 HKD
$1,296 USD
As of October 30, 2026
Save HK$60,129 HKD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$70,297 HKD at Brilliant Earth · As of October 31, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843668517 or 843668517. Listed at 23 retailers as of October 30, 2026, with prices from HK$10,168 to HK$70,297, a HK$60,129 spread on the same certified stone. Brilliant Earth lists it at HK$70,297. 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
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843668517
Dimensions17.42 × 8.87 × 5.61 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.42 mm8.87 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843668517
Side View
Table 60.0%Crown 38.2°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 63.2%

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: HK$70,297 HKD|Low: HK$10,168 HKD|High: HK$70,297 HKD|Avg: HK$22,966 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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 1, 2026
Retailer 9HK$10,168 HKD
Retailer 22HK$11,062 HKD
Retailer 14HK$11,376 HKD
Retailer 5HK$11,792 HKD
Retailer 8HK$12,833 HKD
Retailer 23HK$13,142 HKD
Retailer 12HK$14,232 HKD
Retailer 16HK$15,472 HKD
Retailer 2HK$16,620 HKD
Retailer 20HK$19,623 HKD
Retailer 18HK$20,673 HKD
Retailer 3HK$21,066 HKD
Retailer 11HK$22,101 HKD
Retailer 13HK$23,897 HKD
Retailer 19HK$23,957 HKD
Retailer 15HK$28,457 HKD
Retailer 7HK$33,831 HKD
Retailer 6HK$35,083 HKD
Retailer 21HK$37,933 HKD
Retailer 17HK$39,548 HKD
Retailer 10HK$41,397 HKD
Retailer 4HK$44,367 HKD
Brilliant EarthHK$70,297 HKD

18 data points across 23 retailers

23 retailersHK$10,168 HKD to HK$70,297 HKD

A
Cheapest Retailer
-
HK$10,168 HKD
$1,296 USD
A
Retailer 2
-
HK$11,062 HKD
$1,410 USD
View
A
Retailer 3
-
HK$11,376 HKD
$1,450 USD
View
Final sale: no returns
A
Retailer 4
-
HK$11,792 HKD
$1,503 USD
View
Retailer 5
-
HK$12,833 HKD
£1,288 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$13,142 HKD
$1,675 USD
View
A
Retailer 7
-
HK$14,232 HKD
$1,814 USD
View
A
Retailer 8
-
HK$15,472 HKD
$1,972 USD
View
A
Retailer 9
-
HK$16,620 HKD
£1,668 GBP
View
B+
Retailer 10
-
HK$19,623 HKD
€2,382 EUR
View
B+
Retailer 11
-
HK$20,673 HKD
$2,635 USD
View
B+
Retailer 12
-
HK$21,066 HKD
$2,685 USD
View
B+
Retailer 13
-
HK$22,101 HKD
$2,817 USD
View
B+
Retailer 14
-
HK$23,897 HKD
A$4,686 AUD
View
B+
Retailer 15
-
HK$23,957 HKD
ZAR 49,330 ZAR
View
B
Retailer 16
-
HK$28,457 HKD
£2,856 GBP
View
B
Retailer 17
-
HK$33,831 HKD
$4,312 USD
View
B
Retailer 18
-
HK$35,083 HKD
$4,472 USD
View
B
Retailer 19
-
HK$37,933 HKD
£3,807 GBP
View
B
Retailer 20
-
HK$39,548 HKD
A$7,755 AUD
View
B
Retailer 21
-
HK$41,397 HKD
$5,276 USD
View
B
Retailer 22
-
HK$44,367 HKD
$5,655 USD
View
Most Expensive
B
Brilliant Earth
22286823A · Oct 31
HK$70,297 HKD
$8,960 USD
View
22 more retailers have this diamond
Prices start from HK$10,168 HKDSave up to HK$60,129 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$10,168 HKD