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Marquise|Lab Grown|IGI

1.81ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG818654393

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818654393

Diamond specifications and retailer prices

From HK$12,412 HKD
$1,582 USD
As of November 2, 2026
Save HK$29,115 HKD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$41,527 HKD at With Clarity · As of November 2, 2026
View at With Clarity

About this 1.81ct lab-grown marquise diamond

This 1.81ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654393 or 818654393. Listed at 14 retailers as of November 2, 2026, with prices from HK$12,412 to HK$41,527, a HK$29,115 spread on the same certified stone. With Clarity lists it at HK$41,527. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654393
Dimensions12.71 × 6.37 × 3.96 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
12.71 mm6.37 mm1.81 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654393
Side View
Table 60.0%Crown 33.7°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 62.2%

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$15,732 HKD|Low: HK$11,855 HKD|High: HK$40,696 HKD|Avg: HK$24,867 HKD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 2, 2026
Retailer 13HK$12,412 HKD
Retailer 4HK$13,256 HKD
Retailer 2HK$13,338 HKD
Retailer 12HK$15,697 HKD
Retailer 1HK$15,732 HKD
Retailer 11HK$16,358 HKD
Retailer 9HK$17,456 HKD
Retailer 10HK$24,557 HKD
Retailer 3HK$28,117 HKD
Retailer 6HK$34,834 HKD
Retailer 8HK$34,835 HKD
Retailer 5HK$37,984 HKD
Retailer 7HK$38,875 HKD
With ClarityHK$40,696 HKD

41 data points across 14 retailers

14 retailersHK$12,412 HKD to HK$41,527 HKD

A
Cheapest Retailer
-
HK$12,412 HKD
$1,582 USD
A
Retailer 2
-
HK$13,256 HKD
View
A
Retailer 3
-
HK$13,338 HKD
$1,700 USD
View
A
Retailer 4
-
HK$15,697 HKD
A$3,078 AUD
View
A
Retailer 5
-
HK$15,732 HKD
£1,579 GBP
View
B+
Retailer 6
-
HK$16,358 HKD
$2,085 USD
View
B+
Retailer 7
-
HK$17,456 HKD
€2,119 EUR
View
B+
Retailer 8
-
HK$24,557 HKD
$3,130 USD
View
Retailer 9
-
HK$28,117 HKD
$3,584 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
HK$34,834 HKD
£3,496 GBP
View
B
Retailer 11
-
HK$34,835 HKD
$4,440 USD
View
B
Retailer 12
-
HK$37,984 HKD
$4,841 USD
View
B
Retailer 13
-
HK$38,875 HKD
A$7,623 AUD
View
Most Expensive
B
With Clarity
818654393 · Nov 2
HK$41,527 HKD
$5,293 USD
View
13 more retailers have this diamond
Prices start from HK$12,412 HKDSave up to HK$29,115 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
1.81ct Marquise
HK$12,412 HKD