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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG823635201

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823635201

Diamond specifications and retailer prices

From HK$2,244 HKD
$286 USD
As of October 30, 2026
Save HK$15,791 HKD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$18,035 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823635201 or 823635201. Listed at 23 retailers as of October 27, 2026, with prices from HK$2,244 to HK$18,035, a HK$15,791 spread on the same certified stone. Queensmith lists it at HK$18,035. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823635201
Dimensions11.15 × 5.69 × 3.44 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.15 mm5.69 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823635201
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.5%

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$11,140 HKD|Low: HK$2,150 HKD|High: HK$13,351 HKD|Avg: HK$6,496 HKD|-8.1%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
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Retailer 20
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Retailer 22
November 1, 2026
Retailer 5HK$2,244 HKD
Retailer 13HK$2,503 HKD
Retailer 3HK$2,597 HKD
Retailer 9HK$2,777 HKD
Retailer 15HK$2,777 HKD
Retailer 19HK$3,113 HKD
Retailer 16HK$3,805 HKD
Retailer 18HK$4,001 HKD
Retailer 20HK$4,547 HKD
Retailer 17HK$4,777 HKD
Retailer 12HK$4,911 HKD
Retailer 11HK$6,049 HKD
Retailer 21HK$6,829 HKD
Retailer 2HK$8,544 HKD
Retailer 8HK$8,936 HKD
Retailer 7HK$8,941 HKD
Retailer 10HK$9,324 HKD
Retailer 6HK$9,886 HKD
Retailer 1HK$11,140 HKD
Retailer 14HK$11,512 HKD
Retailer 22HK$11,533 HKD
Retailer 4HK$13,295 HKD

40 data points across 22 retailers

23 retailersHK$2,244 HKD to HK$18,035 HKD

A
Cheapest Retailer
-
HK$2,244 HKD
$286 USD
A
Retailer 2
-
HK$2,503 HKD
$319 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,597 HKD
$331 USD
View
Retailer 4
-
HK$2,777 HKD
$354 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$2,777 HKD
$354 USD
View
A
Retailer 6
-
HK$3,113 HKD
View
A
Retailer 7
-
HK$3,805 HKD
$485 USD
View
A
Retailer 8
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HK$4,001 HKD
$510 USD
View
Retailer 9
-
HK$4,547 HKD
€552 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
HK$4,777 HKD
ZAR 9,837 ZAR
View
A
Retailer 11
-
HK$4,911 HKD
£493 GBP
View
B+
Retailer 12
-
HK$6,049 HKD
$771 USD
View
Retailer 13
-
HK$6,829 HKD
A$1,339 AUD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
HK$8,544 HKD
$1,089 USD
View
B+
Retailer 15
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HK$8,936 HKD
$1,139 USD
View
B+
Retailer 16
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HK$8,941 HKD
SGD 1,540 SGD
View
B+
Retailer 17
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HK$9,324 HKD
$1,188 USD
View
B
Retailer 18
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HK$9,886 HKD
$1,260 USD
View
B+
Retailer 19
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HK$11,140 HKD
£1,118 GBP
View
B
Retailer 20
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HK$11,512 HKD
$1,467 USD
View
B
Retailer 21
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HK$11,533 HKD
$1,470 USD
View
Retailer 22
-
HK$13,295 HKD
A$2,607 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Queensmith
LG823635201 · Oct 27
HK$18,035 HKD
£1,810 GBP
View
22 more retailers have this diamond
Prices start from HK$2,244 HKDSave up to HK$15,791 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$2,244 HKD