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Marquise|Lab Grown|IGI

3.18ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG818696663

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818696663

Diamond specifications and retailer prices

From HK$6,567 HKD
$837 USD
As of October 31, 2026
Save HK$22,155 HKD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$43,975 HKD at Rare Carat · As of October 12, 2026
View at Rare Carat

About this 3.18ct lab-grown marquise diamond

This 3.18ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818696663 or 818696663. Listed at 17 retailers as of October 31, 2026, with a 337% 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

3.18
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818696663
Dimensions14.66 × 7.52 × 4.72 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.66 mm7.52 mm3.18 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818696663
Side View
Table 60.0%Crown 38.4°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 62.8%

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 31
Current: HK$6,567 HKD|Low: HK$6,567 HKD|High: HK$28,722 HKD|Avg: HK$15,809 HKD|-4.3%
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
October 31, 2026
Retailer 1HK$6,567 HKD
Retailer 5HK$8,238 HKD
Retailer 15HK$9,807 HKD
Retailer 14HK$9,823 HKD
Retailer 10HK$10,841 HKD
Retailer 4HK$12,579 HKD
Retailer 11HK$15,371 HKD
Retailer 2HK$15,589 HKD
Retailer 7HK$15,907 HKD
Retailer 13HK$16,296 HKD
Retailer 8HK$22,392 HKD
Retailer 12HK$22,904 HKD
Retailer 3HK$23,637 HKD
Retailer 16HK$24,479 HKD
Retailer 6HK$27,052 HKD
Retailer 9HK$28,722 HKD

19 data points across 16 retailers

17 retailersHK$6,567 HKD to HK$28,722 HKD

A
Cheapest Retailer
-
HK$6,567 HKD
$837 USD
Final sale: no returns
A
Retailer 2
-
HK$8,238 HKD
$1,050 USD
View
A
Retailer 3
-
HK$9,807 HKD
$1,250 USD
View
A
Retailer 4
-
HK$9,823 HKD
$1,252 USD
View
A
Retailer 5
-
HK$10,841 HKD
£1,088 GBP
View
A
Retailer 6
-
HK$12,579 HKD
€1,527 EUR
View
B+
Retailer 7
-
HK$15,371 HKD
A$3,014 AUD
View
B+
Retailer 8
-
HK$15,589 HKD
$1,987 USD
View
B+
Retailer 9
-
HK$15,907 HKD
ZAR 32,754 ZAR
View
B+
Retailer 10
-
HK$16,296 HKD
$2,077 USD
View
B+
Retailer 11
-
HK$22,392 HKD
$2,854 USD
View
B+
Retailer 12
-
HK$22,904 HKD
SGD 3,945 SGD
View
B+
Retailer 13
-
HK$23,637 HKD
$3,013 USD
View
B+
Retailer 14
-
HK$24,479 HKD
$3,120 USD
View
B
Retailer 15
-
HK$27,052 HKD
£2,715 GBP
View
B
Retailer 16
-
HK$28,722 HKD
A$5,632 AUD
View
Most Expensive
Rare Carat
CN169-74A · Oct 7
HK$43,975 HKD
$5,605 USD
View
Price last confirmed 19 days ago
16 more retailers have this diamond
Prices start from HK$6,567 HKDSave up to HK$22,155 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
3.18ct Marquise
HK$6,567 HKD