Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG818657945

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818657945

Diamond specifications and retailer prices

From HK$1,812 HKD
$231 USD
As of October 30, 2026
Save HK$7,737 HKD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$9,549 HKD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818657945 or 818657945. Listed at 22 retailers as of October 30, 2026, with prices from HK$1,812 to HK$9,549, a HK$7,737 spread on the same certified stone. Reve Diamonds lists it at HK$9,549. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818657945
Dimensions10.50 × 5.48 × 3.39 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.50 mm5.48 mm1.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818657945
Side View
Table 58.0%Crown 37.3°Girdle: THK-VTKPavilion 37.1°Culet: NoneDepth 61.9%

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 30
Current: HK$3,719 HKD|Low: HK$1,812 HKD|High: HK$8,180 HKD|Avg: HK$4,274 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
October 31, 2026
Retailer 3HK$1,812 HKD
Retailer 5HK$2,016 HKD
Retailer 4HK$2,730 HKD
Retailer 8HK$3,295 HKD
Retailer 10HK$3,466 HKD
Retailer 1HK$3,719 HKD
Retailer 6HK$4,223 HKD
Retailer 11HK$4,931 HKD
Retailer 13HK$4,943 HKD
Retailer 2HK$5,202 HKD
Retailer 7HK$5,649 HKD
Retailer 9HK$5,722 HKD
Retailer 12HK$8,101 HKD

41 data points across 13 retailers

22 retailersHK$1,812 HKD to HK$9,549 HKD

Retailer 1
-
HK$1,561 HKD
$199 USD
Price last confirmed 30 days ago
A
Retailer 2
-
HK$1,812 HKD
$231 USD
View
Final sale: no returns
Retailer 3
-
HK$1,891 HKD
$241 USD
View
Price last confirmed 33 days ago
Retailer 4
-
HK$2,016 HKD
$257 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
HK$2,310 HKD
View
B+
Retailer 6
-
HK$2,730 HKD
$348 USD
View
A
Retailer 7
-
HK$3,295 HKD
€400 EUR
View
A
Retailer 8
-
HK$3,413 HKD
$435 USD
View
A
Retailer 9
-
HK$3,466 HKD
ZAR 7,136 ZAR
View
A
Retailer 10
-
HK$3,719 HKD
£373 GBP
View
B+
Retailer 11
-
HK$4,223 HKD
A$828 AUD
View
B+
Retailer 12
-
HK$4,931 HKD
A$967 AUD
View
B+
Retailer 13
-
HK$4,943 HKD
$630 USD
View
B
Retailer 14
-
HK$5,202 HKD
$663 USD
View
B+
Retailer 15
-
HK$5,649 HKD
$720 USD
View
B+
Retailer 16
-
HK$5,722 HKD
A$1,122 AUD
View
Retailer 17
-
HK$6,488 HKD
$827 USD
View
Price last confirmed 32 days ago
B
Retailer 18
-
HK$6,566 HKD
SGD 1,131 SGD
View
B
Retailer 19
-
HK$6,881 HKD
$877 USD
View
B
Retailer 20
-
HK$6,903 HKD
$880 USD
View
B
Retailer 21
-
HK$8,101 HKD
£813 GBP
View
Most Expensive
B
Reve Diamonds
02ACDE5D5 · Oct 30
HK$9,549 HKD
$1,217 USD
View
21 more retailers have this diamond
Prices start from HK$1,812 HKDSave up to HK$7,737 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
1.20ct Marquise
HK$1,812 HKD