Marquise|Lab Grown|IGI

3.05ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG843645240

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843645240

Diamond specifications and retailer prices

From HK$5,939 HKD
$757 USD
As of October 29, 2026
Save HK$24,894 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$30,834 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843645240 or 843645240. Listed at 18 retailers as of October 29, 2026, with prices from HK$5,939 to HK$30,834, a HK$24,894 spread on the same certified stone. Brilliant Earth lists it at HK$30,834. 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

3.05
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843645240
Dimensions14.75 × 7.46 × 4.84 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.75 mm7.46 mm3.05 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843645240
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.9%

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: Oct 29
Current: HK$30,834 HKD|Low: HK$5,939 HKD|High: HK$30,912 HKD|Avg: HK$14,876 HKD|-0.3%
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
October 31, 2026
Retailer 4HK$5,939 HKD
Retailer 3HK$6,159 HKD
Retailer 18HK$7,571 HKD
Retailer 17HK$8,292 HKD
Retailer 8HK$8,771 HKD
Retailer 14HK$9,482 HKD
Retailer 11HK$9,863 HKD
Retailer 16HK$11,604 HKD
Retailer 2HK$13,714 HKD
Retailer 15HK$13,999 HKD
Retailer 13HK$14,308 HKD
Retailer 10HK$14,741 HKD
Retailer 5HK$21,026 HKD
Retailer 7HK$21,255 HKD
Retailer 6HK$21,310 HKD
Retailer 9HK$21,772 HKD
Retailer 12HK$26,096 HKD
Brilliant EarthHK$30,834 HKD

19 data points across 18 retailers

18 retailersHK$5,939 HKD to HK$30,834 HKD

A
Cheapest Retailer
-
HK$5,939 HKD
$757 USD
Final sale: no returns
Retailer 2
-
HK$6,159 HKD
$785 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
HK$7,571 HKD
$965 USD
View
Retailer 4
-
HK$8,292 HKD
£832 GBP
View
Price last confirmed 16 days ago
A
Retailer 5
-
HK$8,771 HKD
$1,118 USD
View
A
Retailer 6
-
HK$9,482 HKD
€1,151 EUR
View
A
Retailer 7
-
HK$9,863 HKD
£990 GBP
View
B+
Retailer 8
-
HK$11,604 HKD
$1,479 USD
View
B+
Retailer 9
-
HK$13,714 HKD
$1,748 USD
View
Retailer 10
-
HK$13,999 HKD
A$2,745 AUD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
HK$14,308 HKD
ZAR 29,461 ZAR
View
Retailer 12
-
HK$14,741 HKD
$1,879 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
HK$21,026 HKD
$2,680 USD
View
B
Retailer 14
-
HK$21,255 HKD
$2,709 USD
View
B
Retailer 15
-
HK$21,310 HKD
$2,716 USD
View
B
Retailer 16
-
HK$21,772 HKD
$2,775 USD
View
B
Retailer 17
-
HK$26,096 HKD
£2,619 GBP
View
Most Expensive
B
Brilliant Earth
22175498A · Oct 30
HK$30,834 HKD
$3,930 USD
View
17 more retailers have this diamond
Prices start from HK$5,939 HKDSave up to HK$24,894 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
3.05ct Marquise
HK$5,939 HKD