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Marquise|Lab Grown|IGI

1.31ct F IF Marquise Lab Grown Diamond

EX • F/IF • IGI LG841659049

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841659049

Diamond specifications and retailer prices

From HK$1,914 HKD
As of November 2, 2026
Save HK$16,444 HKD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$18,358 HKD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841659049 or 841659049. Listed at 17 retailers as of November 2, 2026, with prices from HK$1,914 to HK$18,358, a HK$16,444 spread on the same certified stone. Do Amore Diamonds lists it at HK$18,358. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841659049
Dimensions11.47 × 5.81 × 3.57 mm
L/W Ratio1.97
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
11.47 mm5.81 mm1.31 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841659049
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

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 2
Current: HK$18,358 HKD|Low: HK$1,914 HKD|High: HK$18,358 HKD|Avg: HK$6,422 HKD
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
November 3, 2026
Retailer 4HK$1,914 HKD
Retailer 5HK$2,142 HKD
Retailer 3HK$2,220 HKD
Retailer 16HK$2,377 HKD
Retailer 13HK$2,769 HKD
Retailer 6HK$3,985 HKD
Retailer 14HK$4,519 HKD
Retailer 9HK$4,864 HKD
Retailer 11HK$4,974 HKD
Retailer 8HK$5,711 HKD
Retailer 2HK$6,433 HKD
Retailer 12HK$6,629 HKD
Retailer 17HK$8,426 HKD
Retailer 10HK$9,744 HKD
Retailer 7HK$10,034 HKD
Retailer 18HK$10,520 HKD
Retailer 15HK$13,101 HKD
Do Amore DiamondsHK$18,358 HKD

14 data points across 18 retailers

17 retailersHK$1,914 HKD to HK$18,358 HKD

A
Cheapest Retailer
-
HK$1,914 HKD
A
Retailer 2
-
HK$2,220 HKD
View
A
Retailer 3
-
HK$2,377 HKD
View
A
Retailer 4
-
HK$2,769 HKD
View
A
Retailer 5
-
HK$3,985 HKD
View
A
Retailer 6
-
HK$4,519 HKD
View
A
Retailer 7
-
HK$4,864 HKD
View
A
Retailer 8
-
HK$4,974 HKD
View
A
Retailer 9
-
HK$5,711 HKD
View
B+
Retailer 10
-
HK$6,433 HKD
View
B+
Retailer 11
-
HK$6,629 HKD
View
B+
Retailer 12
-
HK$8,426 HKD
View
B
Retailer 13
-
HK$9,744 HKD
View
B
Retailer 14
-
HK$10,034 HKD
View
Retailer 15
-
HK$10,520 HKD
View
Price last confirmed 11 days ago
Retailer 16
-
HK$13,101 HKD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-A5B4FFDDE · Nov 4
HK$18,358 HKD
$2,340 USD
View
16 more retailers have this diamond
Prices start from HK$1,914 HKDSave up to HK$16,444 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
1.31ct Marquise
HK$1,914 HKD