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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG743546432

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743546432

Diamond specifications and retailer prices

From HK$3,444 HKD
$439 USD
As of November 2, 2026
Save HK$13,229 HKD (79%) vs most expensive(unlock to see where)
25 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 LG743546432 or 743546432. Listed at 25 retailers as of November 2, 2026, with prices from HK$3,444 to HK$16,673, a HK$13,229 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 angle36°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743546432
Dimensions11.13 × 5.41 × 3.40 mm
L/W Ratio2.06
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
11.13 mm5.41 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743546432
Side View
Table 61.0%Crown 36°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 62.8%

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$7,371 HKD|Low: HK$2,118 HKD|High: HK$16,673 HKD|Avg: HK$9,140 HKD|-3.5%
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
Retailer 22
Retailer 23
Retailer 24
With Clarity
November 2, 2026
Retailer 5HK$3,444 HKD
Retailer 2HK$3,860 HKD
Retailer 18HK$4,229 HKD
Retailer 4HK$4,276 HKD
Retailer 8HK$4,921 HKD
Retailer 24HK$5,492 HKD
Retailer 14HK$6,041 HKD
Retailer 9HK$6,049 HKD
Retailer 13HK$6,457 HKD
Retailer 22HK$6,854 HKD
Retailer 12HK$7,002 HKD
Retailer 1HK$7,371 HKD
Retailer 23HK$8,048 HKD
Retailer 11HK$9,943 HKD
Retailer 21HK$10,414 HKD
Retailer 7HK$11,487 HKD
Retailer 3HK$11,965 HKD
Retailer 17HK$13,240 HKD
Retailer 6HK$13,739 HKD
Retailer 20HK$13,966 HKD
Retailer 10HK$14,000 HKD
Retailer 16HK$14,283 HKD
Retailer 15HK$15,356 HKD
Retailer 19HK$15,704 HKD
With ClarityHK$16,673 HKD

28 data points across 25 retailers

25 retailersHK$3,444 HKD to HK$16,673 HKD

A
Cheapest Retailer
-
HK$3,444 HKD
$439 USD
A
Retailer 2
-
HK$3,860 HKD
$492 USD
View
A
Retailer 3
-
HK$4,229 HKD
$539 USD
View
Final sale: no returns
A
Retailer 4
-
HK$4,276 HKD
$545 USD
View
A
Retailer 5
-
HK$4,921 HKD
View
A
Retailer 6
-
HK$5,492 HKD
$700 USD
View
A
Retailer 7
-
HK$6,041 HKD
$770 USD
View
A
Retailer 8
-
HK$6,049 HKD
$771 USD
View
B+
Retailer 9
-
HK$6,457 HKD
$823 USD
View
B+
Retailer 10
-
HK$6,854 HKD
€832 EUR
View
B+
Retailer 11
-
HK$7,002 HKD
£703 GBP
View
B+
Retailer 12
-
HK$7,371 HKD
ZAR 15,176 ZAR
View
B+
Retailer 13
-
HK$8,048 HKD
A$1,578 AUD
View
Retailer 14
-
HK$9,943 HKD
$1,267 USD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
HK$10,414 HKD
A$2,042 AUD
View
B
Retailer 16
-
HK$11,487 HKD
$1,464 USD
View
B+
Retailer 17
-
HK$11,965 HKD
$1,525 USD
View
Retailer 18
-
HK$13,240 HKD
A$2,596 AUD
View
Price last confirmed 25 days ago
B
Retailer 19
-
HK$13,739 HKD
$1,751 USD
View
B
Retailer 20
-
HK$13,966 HKD
$1,780 USD
View
B
Retailer 21
-
HK$14,000 HKD
$1,784 USD
View
B
Retailer 22
-
HK$14,283 HKD
SGD 2,460 SGD
View
B
Retailer 23
-
HK$15,356 HKD
$1,957 USD
View
B
Retailer 24
-
HK$15,704 HKD
£1,576 GBP
View
Most Expensive
B
With Clarity
743546432 · Nov 2
HK$16,673 HKD
$2,125 USD
View
24 more retailers have this diamond
Prices start from HK$3,444 HKDSave up to HK$13,229 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$3,444 HKD