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Marquise|Lab Grown|IGI

1.31ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800676818

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800676818

Diamond specifications and retailer prices

From HK$2,417 HKD
As of November 4, 2026
Save HK$19,003 HKD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$21,419 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800676818 or 800676818. Listed at 15 retailers as of November 4, 2026, with prices from HK$2,417 to HK$21,419, a HK$19,003 spread on the same certified stone. Do Amore Diamonds lists it at HK$21,419. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676818
Dimensions11.36 × 5.67 × 3.58 mm
L/W Ratio2.00
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
11.36 mm5.67 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676818
Side View
Table 56.0%Crown 33°Girdle: Slightly ThickPavilion 40.7°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A+
Exceptional
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$21,419 HKD|Low: HK$2,417 HKD|High: HK$26,911 HKD|Avg: HK$9,821 HKD|-11.9%
Do Amore Diamonds
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 9HK$2,417 HKD
Retailer 14HK$2,801 HKD
Retailer 6HK$3,060 HKD
Retailer 10HK$4,252 HKD
Retailer 4HK$4,394 HKD
Retailer 12HK$4,880 HKD
Retailer 8HK$5,618 HKD
Retailer 5HK$5,665 HKD
Retailer 11HK$9,195 HKD
Retailer 13HK$10,615 HKD
Retailer 2HK$13,197 HKD
Retailer 7HK$17,888 HKD
Retailer 3HK$17,928 HKD
Do Amore DiamondsHK$21,419 HKD

29 data points across 14 retailers

15 retailersHK$2,417 HKD to HK$21,419 HKD

A+
Cheapest Retailer
-
HK$2,417 HKD
A
Retailer 2
-
HK$2,801 HKD
View
A
Retailer 3
-
HK$3,060 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$4,252 HKD
View
A
Retailer 5
-
HK$4,394 HKD
View
A
Retailer 6
-
HK$4,880 HKD
View
A
Retailer 7
-
HK$5,618 HKD
View
A
Retailer 8
-
HK$5,665 HKD
View
B+
Retailer 9
-
HK$9,195 HKD
View
B+
Retailer 10
-
HK$10,615 HKD
View
B+
Retailer 11
-
HK$13,197 HKD
View
Retailer 12
-
HK$17,692 HKD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
HK$17,888 HKD
View
Retailer 14
-
HK$17,928 HKD
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-AF37410EA · Nov 4
HK$21,419 HKD
$2,730 USD
View
14 more retailers have this diamond
Prices start from HK$2,417 HKDSave up to HK$19,003 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$2,417 HKD