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Marquise|Lab Grown|IGI

1.21ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG799635199

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799635199

Diamond specifications and retailer prices

From HK$1,608 HKD
As of November 4, 2026
Save HK$6,158 HKD (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$9,346 HKD at MOH London · As of October 26, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799635199 or 799635199. Listed at 22 retailers as of November 4, 2026, with a 383% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799635199
Dimensions11.12 × 5.51 × 3.42 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.12 mm5.51 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799635199
Side View
Table 58.0%Crown 32.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.1%

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$9,346 HKD|Low: HK$1,546 HKD|High: HK$9,445 HKD|Avg: HK$4,229 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12HK$1,608 HKD
Retailer 3HK$1,993 HKD
Retailer 2HK$2,424 HKD
Retailer 10HK$3,334 HKD
Retailer 4HK$3,444 HKD
Retailer 7HK$3,444 HKD
Retailer 5HK$3,632 HKD
Retailer 11HK$4,880 HKD
Retailer 8HK$5,374 HKD
Retailer 9HK$6,119 HKD
Retailer 6HK$6,441 HKD
MOH LondonHK$9,346 HKD

37 data points across 12 retailers

22 retailersHK$1,608 HKD to HK$7,767 HKD

A
Cheapest Retailer
-
HK$1,608 HKD
A
Retailer 2
-
HK$1,867 HKD
View
A
Retailer 3
-
HK$1,993 HKD
View
Retailer 4
-
HK$1,993 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$2,424 HKD
View
Retailer 6
-
HK$3,334 HKD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$3,444 HKD
View
A
Retailer 8
-
HK$3,444 HKD
View
A
Retailer 9
-
HK$3,483 HKD
View
A
Retailer 10
-
HK$3,632 HKD
View
A
Retailer 11
-
HK$3,907 HKD
View
Retailer 12
-
HK$4,880 HKD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
HK$5,194 HKD
View
B+
Retailer 14
-
HK$5,374 HKD
View
B+
Retailer 15
-
HK$6,119 HKD
View
B+
Retailer 16
-
HK$6,417 HKD
View
B
Retailer 17
-
HK$6,441 HKD
View
B
Retailer 18
-
HK$6,512 HKD
View
B
Retailer 19
-
HK$6,833 HKD
View
B
Retailer 20
-
HK$7,359 HKD
View
B
Retailer 21
-
HK$7,767 HKD
View
Most Expensive
MOH London
LG799635199 · Oct 26
HK$9,346 HKD
£938 GBP
View
Price last confirmed 10 days ago
21 more retailers have this diamond
Prices start from HK$1,608 HKDSave up to HK$6,158 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$1,608 HKD