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Marquise|Lab Grown|IGI

1.29ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662311

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662311

Diamond specifications and retailer prices

From HK$4,017 HKD
As of November 4, 2026
Save HK$18,203 HKD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$22,220 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662311 or 780662311. Listed at 14 retailers as of October 29, 2026, with prices from HK$4,017 to HK$22,220, a HK$18,203 spread on the same certified stone. MOH London lists it at HK$22,220. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662311
Dimensions11.05 × 5.73 × 3.57 mm
L/W Ratio1.93
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
11.05 mm5.73 mm1.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662311
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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: Nov 4
Current: HK$22,220 HKD|Low: HK$4,017 HKD|High: HK$28,010 HKD|Avg: HK$12,969 HKD|-15.8%
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$4,017 HKD
Retailer 9HK$4,943 HKD
Retailer 2HK$6,237 HKD
Retailer 5HK$6,928 HKD
Retailer 6HK$7,548 HKD
Retailer 11HK$8,011 HKD
Retailer 14HK$8,136 HKD
Retailer 13HK$9,125 HKD
Retailer 3HK$9,321 HKD
Retailer 12HK$11,565 HKD
Retailer 10HK$13,448 HKD
Retailer 8HK$19,065 HKD
Retailer 4HK$20,124 HKD
MOH LondonHK$22,220 HKD

40 data points across 14 retailers

14 retailersHK$4,017 HKD to HK$22,220 HKD

A
Cheapest Retailer
-
HK$4,017 HKD
A
Retailer 2
-
HK$4,943 HKD
View
A
Retailer 3
-
HK$6,237 HKD
View
A
Retailer 4
-
HK$6,928 HKD
View
B+
Retailer 5
-
HK$7,548 HKD
View
A
Retailer 6
-
HK$8,011 HKD
View
A
Retailer 7
-
HK$8,136 HKD
View
B+
Retailer 8
-
HK$9,125 HKD
View
B+
Retailer 9
-
HK$9,321 HKD
View
B+
Retailer 10
-
HK$11,565 HKD
View
B+
Retailer 11
-
HK$13,448 HKD
View
B
Retailer 12
-
HK$19,065 HKD
View
Retailer 13
-
HK$20,124 HKD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
LG780662311 · Oct 29
HK$22,220 HKD
£2,230 GBP
View
13 more retailers have this diamond
Prices start from HK$4,017 HKDSave up to HK$18,203 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
1.29ct Marquise
HK$4,017 HKD