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Marquise|Lab Grown|IGI

5.09ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG850678948

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850678948

Diamond specifications and retailer prices

From HK$9,863 HKD
$1,257 USD
As of November 2, 2026
Save HK$30,280 HKD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$81,678 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG850678948 or 850678948. Listed at 17 retailers as of October 31, 2026, with a 307% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850678948
Dimensions17.46 × 9.02 × 5.69 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.46 mm9.02 mm5.09 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850678948
Side View
Table 58.0%Crown 37.8°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 63.1%

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$81,678 HKD|Low: HK$9,863 HKD|High: HK$81,678 HKD|Avg: HK$25,531 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
November 2, 2026
Retailer 10HK$9,863 HKD
Retailer 12HK$10,733 HKD
Retailer 7HK$11,039 HKD
Retailer 17HK$11,440 HKD
Retailer 2HK$12,184 HKD
Retailer 16HK$12,789 HKD
Retailer 15HK$14,500 HKD
Retailer 11HK$16,121 HKD
Retailer 13HK$16,359 HKD
Retailer 8HK$19,364 HKD
Retailer 3HK$21,443 HKD
Retailer 5HK$23,190 HKD
Retailer 6HK$27,328 HKD
Retailer 4HK$32,828 HKD
Retailer 14HK$34,168 HKD
Retailer 9HK$40,142 HKD
Brilliant EarthHK$81,678 HKD

4 data points across 17 retailers

17 retailersHK$9,863 HKD to HK$40,142 HKD

A
Cheapest Retailer
-
HK$9,863 HKD
$1,257 USD
A
Retailer 2
-
HK$10,733 HKD
$1,368 USD
View
A
Retailer 3
-
HK$11,039 HKD
$1,407 USD
View
Final sale: no returns
A
Retailer 4
-
HK$11,440 HKD
$1,458 USD
View
A
Retailer 5
-
HK$12,184 HKD
£1,223 GBP
View
A
Retailer 6
-
HK$12,789 HKD
$1,630 USD
View
B+
Retailer 7
-
HK$14,500 HKD
$1,848 USD
View
B+
Retailer 8
-
HK$16,121 HKD
£1,618 GBP
View
B+
Retailer 9
-
HK$16,359 HKD
$2,085 USD
View
B+
Retailer 10
-
HK$19,364 HKD
$2,468 USD
View
B+
Retailer 11
-
HK$21,443 HKD
$2,733 USD
View
B+
Retailer 12
-
HK$23,190 HKD
A$4,547 AUD
View
B
Retailer 13
-
HK$27,328 HKD
$3,483 USD
View
B
Retailer 14
-
HK$32,828 HKD
$4,184 USD
View
B
Retailer 15
-
HK$34,168 HKD
$4,355 USD
View
B
Retailer 16
-
HK$40,142 HKD
$5,116 USD
View
Most Expensive
Brilliant Earth
22376922A · Nov 2
HK$81,678 HKD
$10,410 USD
View
Price under review
16 more retailers have this diamond
Prices start from HK$9,863 HKDSave up to HK$30,280 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$9,863 HKD