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Marquise|Lab Grown|IGI

1.20ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG500165197

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG500165197

Diamond specifications and retailer prices

From HK$7,892 HKD
As of November 4, 2026
Save HK$9,265 HKD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$25,227 HKD at Flawless Fine Jewelry · As of November 4, 2026
View at Flawless Fine Jewelry

About this 1.2ct lab-grown marquise diamond

This 1.2ct 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 LG500165197 or 500165197. Listed at 16 retailers as of November 4, 2026, with a 117% 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

1.20
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500165197
Dimensions11.56 × 5.56 × 3.30 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.56 mm5.56 mm1.20 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500165197
Side View
Table 61.5%Crown 36.1°Girdle: THN-STKPavilion 40.3°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$25,227 HKD|Low: HK$7,578 HKD|High: HK$31,459 HKD|Avg: HK$14,783 HKD
Flawless Fine Jewelry
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 10HK$7,892 HKD
Retailer 3HK$8,590 HKD
Retailer 5HK$8,834 HKD
Retailer 11HK$9,022 HKD
Retailer 4HK$9,155 HKD
Retailer 12HK$9,155 HKD
Retailer 6HK$10,513 HKD
Retailer 7HK$13,070 HKD
Retailer 13HK$14,623 HKD
Retailer 8HK$16,844 HKD
Retailer 14HK$17,157 HKD
Retailer 9HK$23,849 HKD
Flawless Fine JewelryHK$25,227 HKD
Retailer 2HK$30,965 HKD

45 data points across 14 retailers

16 retailersHK$7,892 HKD to HK$17,157 HKD

B+
Cheapest Retailer
-
HK$7,892 HKD
B
Retailer 2
-
HK$8,590 HKD
View
B
Retailer 3
-
HK$8,834 HKD
View
Final sale: no returns
B
Retailer 4
-
HK$9,022 HKD
View
Retailer 5
-
HK$9,155 HKD
View
Price last confirmed 20 days ago
B
Retailer 6
-
HK$9,155 HKD
View
B
Retailer 7
-
HK$10,513 HKD
View
B
Retailer 8
-
HK$13,070 HKD
View
B
Retailer 9
-
HK$14,623 HKD
View
B
Retailer 10
-
HK$16,844 HKD
View
B
Retailer 11
-
HK$17,157 HKD
View
Retailer 12
-
HK$19,134 HKD
View
Price under review
Retailer 13
-
HK$23,849 HKD
View
Price under review
Most Expensive
Flawless Fine Jewelry
70973F999 · Nov 4
HK$25,227 HKD
£2,532 GBP
View
Price under review
13 more retailers have this diamond
Prices start from HK$7,892 HKDSave up to HK$9,265 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.

B+
1.20ct Marquise
HK$7,892 HKD