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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG731580885

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG731580885

Diamond specifications and retailer prices

From HK$3,852 HKD
$491 USD
As of November 1, 2026
Save HK$12,821 HKD (77%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: HK$16,673 HKD at With Clarity · As of November 2, 2026
View at With Clarity

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731580885 or 731580885. Listed at 29 retailers as of November 1, 2026, with prices from HK$3,852 to HK$16,673, a HK$12,821 spread on the same certified stone. With Clarity lists it at HK$16,673. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731580885
Dimensions10.81 × 5.53 × 3.51 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
10.81 mm5.53 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731580885
Side View
Table 61.0%Crown 37.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.5%

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 1
Current: HK$7,371 HKD|Low: HK$2,118 HKD|High: HK$16,673 HKD|Avg: HK$9,305 HKD|-2.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
With Clarity
November 2, 2026
Retailer 13HK$2,118 HKD
Retailer 20HK$3,852 HKD
Retailer 11HK$4,276 HKD
Retailer 19HK$4,825 HKD
Retailer 3HK$4,921 HKD
Retailer 8HK$6,041 HKD
Retailer 4HK$6,049 HKD
Retailer 7HK$6,457 HKD
Retailer 18HK$6,854 HKD
Retailer 12HK$7,002 HKD
Retailer 1HK$7,371 HKD
Retailer 6HK$9,943 HKD
Retailer 17HK$10,414 HKD
Retailer 2HK$11,487 HKD
Retailer 21HK$11,965 HKD
Retailer 14HK$13,240 HKD
Retailer 16HK$13,966 HKD
Retailer 5HK$14,000 HKD
Retailer 10HK$14,283 HKD
Retailer 9HK$15,356 HKD
Retailer 15HK$15,704 HKD
With ClarityHK$16,673 HKD

32 data points across 22 retailers

29 retailersHK$3,852 HKD to HK$16,673 HKD

Retailer 1
-
HK$2,118 HKD
$270 USD
Price last confirmed 25 days ago
Retailer 2
-
HK$3,578 HKD
$456 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
HK$3,852 HKD
$491 USD
View
Final sale: no returns
Retailer 4
-
HK$4,009 HKD
$511 USD
View
Price last confirmed 34 days ago
Retailer 5
-
HK$4,276 HKD
$545 USD
View
Price last confirmed 25 days ago
Retailer 6
-
HK$4,276 HKD
$545 USD
View
Price last confirmed 23 days ago
Retailer 7
-
HK$4,386 HKD
$559 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
HK$4,825 HKD
$615 USD
View
A
Retailer 9
-
HK$4,921 HKD
View
A
Retailer 10
-
HK$6,041 HKD
$770 USD
View
A
Retailer 11
-
HK$6,049 HKD
$771 USD
View
B+
Retailer 12
-
HK$6,457 HKD
$823 USD
View
B+
Retailer 13
-
HK$6,854 HKD
€832 EUR
View
B+
Retailer 14
-
HK$7,002 HKD
£703 GBP
View
B+
Retailer 15
-
HK$7,371 HKD
ZAR 15,176 ZAR
View
Retailer 16
-
HK$9,943 HKD
$1,267 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
HK$10,414 HKD
A$2,042 AUD
View
B
Retailer 18
-
HK$11,487 HKD
$1,464 USD
View
B+
Retailer 19
-
HK$11,965 HKD
$1,525 USD
View
Retailer 20
-
HK$13,240 HKD
A$2,596 AUD
View
Price last confirmed 25 days ago
B
Retailer 21
-
HK$13,739 HKD
$1,751 USD
View
Retailer 22
-
HK$13,739 HKD
$1,751 USD
View
Price last confirmed 23 days ago
B
Retailer 23
-
HK$13,966 HKD
$1,780 USD
View
B
Retailer 24
-
HK$14,000 HKD
$1,784 USD
View
Retailer 25
-
HK$14,272 HKD
$1,819 USD
View
Price last confirmed 33 days ago
B
Retailer 26
-
HK$14,283 HKD
SGD 2,460 SGD
View
B
Retailer 27
-
HK$15,356 HKD
$1,957 USD
View
B
Retailer 28
-
HK$15,704 HKD
£1,576 GBP
View
Most Expensive
B
With Clarity
731580885 · Nov 2
HK$16,673 HKD
$2,125 USD
View
28 more retailers have this diamond
Prices start from HK$3,852 HKDSave up to HK$12,821 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
1.20ct Marquise
HK$3,852 HKD