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Marquise|Lab Grown|IGI

1.22ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662423

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662423

Diamond specifications and retailer prices

From HK$3,813 HKD
As of November 4, 2026
Save HK$17,152 HKD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$20,965 HKD at MOH London · As of November 3, 2026
View at MOH London

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662423 or 780662423. Listed at 14 retailers as of November 3, 2026, with prices from HK$3,813 to HK$20,965, a HK$17,152 spread on the same certified stone. MOH London lists it at HK$20,965. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662423
Dimensions11.11 × 5.63 × 3.51 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
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
11.11 mm5.63 mm1.22 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662423
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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$20,965 HKD|Low: HK$3,813 HKD|High: HK$25,734 HKD|Avg: HK$12,182 HKD|-16.2%
MOH London
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
November 5, 2026
Retailer 7HK$3,813 HKD
Retailer 9HK$4,707 HKD
Retailer 2HK$5,900 HKD
Retailer 5HK$6,661 HKD
Retailer 6HK$6,834 HKD
Retailer 11HK$7,579 HKD
Retailer 14HK$7,720 HKD
Retailer 13HK$8,654 HKD
Retailer 3HK$8,913 HKD
Retailer 12HK$11,016 HKD
Retailer 10HK$12,718 HKD
Retailer 8HK$18,124 HKD
Retailer 4HK$18,869 HKD
MOH LondonHK$20,965 HKD

42 data points across 14 retailers

14 retailersHK$3,813 HKD to HK$20,965 HKD

A
Cheapest Retailer
-
HK$3,813 HKD
A
Retailer 2
-
HK$4,707 HKD
View
A
Retailer 3
-
HK$5,900 HKD
View
B+
Retailer 4
-
HK$6,661 HKD
View
B+
Retailer 5
-
HK$6,834 HKD
View
B+
Retailer 6
-
HK$7,579 HKD
View
B+
Retailer 7
-
HK$7,720 HKD
View
B+
Retailer 8
-
HK$8,654 HKD
View
B+
Retailer 9
-
HK$8,913 HKD
View
B+
Retailer 10
-
HK$11,016 HKD
View
B+
Retailer 11
-
HK$12,718 HKD
View
B
Retailer 12
-
HK$18,124 HKD
View
Retailer 13
-
HK$18,869 HKD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG780662423 · Nov 3
HK$20,965 HKD
£2,104 GBP
View
13 more retailers have this diamond
Prices start from HK$3,813 HKDSave up to HK$17,152 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
1.22ct Marquise
HK$3,813 HKD