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Marquise|Lab Grown|IGI

3.99ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG818694805

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818694805

Diamond specifications and retailer prices

From HK$3,813 HKD
$486 USD
As of November 2, 2026
Save HK$20,510 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$24,323 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.99ct lab-grown marquise diamond

This 3.99ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818694805 or 818694805. Listed at 17 retailers as of October 28, 2026, with prices from HK$3,813 to HK$24,323, a HK$20,510 spread on the same certified stone. Rare Carat lists it at HK$24,323. 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

3.99
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818694805
Dimensions15.55 × 8.29 × 5.35 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.55 mm8.29 mm3.99 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818694805
Side View
Table 66.0%Crown 36.3°Girdle: STK-THKPavilion 42.7°Culet: NoneDepth 64.5%

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$7,775 HKD|Low: HK$3,523 HKD|High: HK$19,730 HKD|Avg: HK$9,979 HKD|+4.5%
Retailer 1
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
November 3, 2026
Retailer 12HK$3,813 HKD
Retailer 14HK$4,268 HKD
Retailer 4HK$4,723 HKD
Retailer 9HK$5,806 HKD
Retailer 8HK$7,171 HKD
Retailer 3HK$7,367 HKD
Retailer 7HK$7,555 HKD
Retailer 1HK$7,775 HKD
Retailer 6HK$9,608 HKD
Retailer 11HK$10,259 HKD
Retailer 5HK$12,428 HKD
Retailer 10HK$12,703 HKD
Retailer 13HK$12,805 HKD
Retailer 16HK$15,411 HKD
Retailer 15HK$17,685 HKD
Retailer 2HK$19,730 HKD

45 data points across 16 retailers

17 retailersHK$3,813 HKD to HK$24,323 HKD

A
Cheapest Retailer
-
HK$3,813 HKD
$486 USD
A
Retailer 2
-
HK$4,268 HKD
$544 USD
View
A
Retailer 3
-
HK$4,723 HKD
$602 USD
View
A
Retailer 4
-
HK$5,806 HKD
$740 USD
View
A
Retailer 5
-
HK$7,171 HKD
$914 USD
View
B+
Retailer 6
-
HK$7,367 HKD
$939 USD
View
Retailer 7
-
HK$7,555 HKD
€917 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$7,775 HKD
£780 GBP
View
A
Retailer 9
-
HK$9,608 HKD
A$1,884 AUD
View
A
Retailer 10
-
HK$10,259 HKD
ZAR 21,124 ZAR
View
B+
Retailer 11
-
HK$12,428 HKD
$1,584 USD
View
B+
Retailer 12
-
HK$12,703 HKD
$1,619 USD
View
B+
Retailer 13
-
HK$12,805 HKD
$1,632 USD
View
B+
Retailer 14
-
HK$15,411 HKD
$1,964 USD
View
B+
Retailer 15
-
HK$17,685 HKD
$2,254 USD
View
B
Retailer 16
-
HK$19,730 HKD
£1,980 GBP
View
Most Expensive
B
Rare Carat
A7417-4-17_l_818694805 · Oct 28
HK$24,323 HKD
$3,100 USD
View
16 more retailers have this diamond
Prices start from HK$3,813 HKDSave up to HK$20,510 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
3.99ct Marquise
HK$3,813 HKD