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Marquise|Lab Grown|IGI

1.21ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG823694876

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823694876

Diamond specifications and retailer prices

From HK$4,425 HKD
As of November 4, 2026
Save HK$19,399 HKD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$23,824 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823694876 or 823694876. Listed at 22 retailers as of November 1, 2026, with prices from HK$4,425 to HK$23,824, a HK$19,399 spread on the same certified stone. MOH London lists it at HK$23,824. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823694876
Dimensions10.56 × 5.67 × 3.56 mm
L/W Ratio1.86
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
10.56 mm5.67 mm1.21 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823694876
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.8%

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$23,824 HKD|Low: HK$4,252 HKD|High: HK$24,113 HKD|Avg: HK$10,939 HKD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 4, 2026
Retailer 7HK$4,425 HKD
Retailer 10HK$4,959 HKD
Retailer 4HK$5,484 HKD
Retailer 19HK$5,484 HKD
Retailer 9HK$6,026 HKD
Retailer 14HK$6,512 HKD
Retailer 3HK$7,014 HKD
Retailer 12HK$7,077 HKD
Retailer 15HK$8,332 HKD
Retailer 8HK$8,450 HKD
Retailer 2HK$8,473 HKD
Retailer 13HK$9,462 HKD
Retailer 20HK$13,612 HKD
Retailer 18HK$14,428 HKD
Retailer 11HK$17,331 HKD
Retailer 16HK$17,732 HKD
Retailer 5HK$17,786 HKD
Retailer 17HK$17,928 HKD
Retailer 6HK$18,477 HKD
MOH LondonHK$23,824 HKD

44 data points across 20 retailers

22 retailersHK$4,425 HKD to HK$23,824 HKD

A
Cheapest Retailer
-
HK$4,425 HKD
A
Retailer 2
-
HK$4,951 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$4,959 HKD
View
Retailer 4
-
HK$5,484 HKD
View
Price last confirmed 19 days ago
A
Retailer 5
-
HK$5,484 HKD
View
B+
Retailer 6
-
HK$6,026 HKD
View
B+
Retailer 7
-
HK$6,512 HKD
View
B+
Retailer 8
-
HK$7,014 HKD
View
B+
Retailer 9
-
HK$7,077 HKD
View
Retailer 10
-
HK$8,332 HKD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$8,450 HKD
View
B+
Retailer 12
-
HK$8,473 HKD
View
B+
Retailer 13
-
HK$9,462 HKD
View
B
Retailer 14
-
HK$13,612 HKD
View
B
Retailer 15
-
HK$14,428 HKD
View
B
Retailer 16
-
HK$16,021 HKD
View
B
Retailer 17
-
HK$17,331 HKD
View
B
Retailer 18
-
HK$17,732 HKD
View
B
Retailer 19
-
HK$17,786 HKD
View
B
Retailer 20
-
HK$17,928 HKD
View
B
Retailer 21
-
HK$18,477 HKD
View
Most Expensive
B
MOH London
LG823694876 · Nov 1
HK$23,824 HKD
£2,391 GBP
View
21 more retailers have this diamond
Prices start from HK$4,425 HKDSave up to HK$19,399 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
1.21ct Marquise
HK$4,425 HKD