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Marquise|Lab Grown|IGI

1.20ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG825640531

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825640531

Diamond specifications and retailer prices

From HK$1,969 HKD
As of November 4, 2026
Save HK$13,408 HKD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$15,378 HKD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825640531 or 825640531. Listed at 22 retailers as of November 3, 2026, with prices from HK$1,969 to HK$15,378, a HK$13,408 spread on the same certified stone. Brilliant Earth lists it at HK$15,378. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825640531
Dimensions10.66 × 5.58 × 3.52 mm
L/W Ratio1.91
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
10.66 mm5.58 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825640531
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.1%

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 4
Current: HK$4,598 HKD|Low: HK$1,969 HKD|High: HK$12,475 HKD|Avg: HK$6,270 HKD|-37.5%
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
Retailer 17
November 4, 2026
Retailer 5HK$1,969 HKD
Retailer 6HK$2,197 HKD
Retailer 2HK$2,440 HKD
Retailer 15HK$2,440 HKD
Retailer 7HK$3,295 HKD
Retailer 13HK$3,688 HKD
Retailer 17HK$4,182 HKD
Retailer 11HK$4,213 HKD
Retailer 1HK$4,598 HKD
Retailer 10HK$5,971 HKD
Retailer 3HK$6,088 HKD
Retailer 14HK$6,096 HKD
Retailer 16HK$7,846 HKD
Retailer 4HK$8,246 HKD
Retailer 12HK$9,784 HKD
Retailer 8HK$10,631 HKD
Retailer 9HK$12,279 HKD

40 data points across 17 retailers

22 retailersHK$1,969 HKD to HK$15,378 HKD

A
Cheapest Retailer
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HK$1,969 HKD
A
Retailer 2
-
HK$2,197 HKD
View
Final sale: no returns
Retailer 3
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HK$2,354 HKD
View
Price last confirmed 27 days ago
Retailer 4
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HK$2,440 HKD
View
Price last confirmed 10 days ago
A
Retailer 5
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HK$2,440 HKD
View
Retailer 6
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HK$2,730 HKD
View
Price last confirmed 36 days ago
Retailer 7
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HK$2,919 HKD
View
Price last confirmed 32 days ago
A
Retailer 8
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HK$3,295 HKD
View
A
Retailer 9
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HK$3,688 HKD
View
Retailer 10
-
HK$4,182 HKD
View
Price last confirmed 8 days ago
A
Retailer 11
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HK$4,213 HKD
View
A
Retailer 12
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HK$4,598 HKD
View
A
Retailer 13
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HK$5,971 HKD
View
B+
Retailer 14
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HK$6,088 HKD
View
B+
Retailer 15
-
HK$6,096 HKD
View
B+
Retailer 16
-
HK$7,846 HKD
View
B+
Retailer 17
-
HK$8,246 HKD
View
Retailer 18
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HK$9,376 HKD
View
Price last confirmed 35 days ago
B+
Retailer 19
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HK$9,784 HKD
View
B
Retailer 20
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HK$10,631 HKD
View
Retailer 21
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HK$12,279 HKD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
22457764A · Nov 3
HK$15,378 HKD
$1,960 USD
View
21 more retailers have this diamond
Prices start from HK$1,969 HKDSave up to HK$13,408 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$1,969 HKD