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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG764689885

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG764689885

Diamond specifications and retailer prices

From HK$3,444 HKD
$439 USD
As of October 30, 2026
Save HK$16,248 HKD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$19,693 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG764689885 or 764689885. Listed at 23 retailers as of October 30, 2026, with prices from HK$3,444 to HK$19,693, a HK$16,248 spread on the same certified stone. Brilliant Earth lists it at HK$19,693. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764689885
Dimensions10.74 × 5.53 × 3.48 mm
L/W Ratio1.94
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
10.74 mm5.53 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764689885
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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: Oct 30
Current: HK$19,693 HKD|Low: HK$3,444 HKD|High: HK$22,988 HKD|Avg: HK$9,354 HKD|-14.3%
Brilliant Earth
Retailer 2
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Retailer 23
November 1, 2026
Retailer 16HK$3,444 HKD
Retailer 10HK$3,852 HKD
Retailer 7HK$3,860 HKD
Retailer 5HK$4,268 HKD
Retailer 23HK$4,268 HKD
Retailer 6HK$4,720 HKD
Retailer 19HK$5,414 HKD
Retailer 9HK$6,041 HKD
Retailer 4HK$6,457 HKD
Retailer 11HK$6,708 HKD
Retailer 20HK$6,772 HKD
Retailer 13HK$7,056 HKD
Retailer 18HK$7,340 HKD
Retailer 17HK$10,408 HKD
Retailer 3HK$11,478 HKD
Retailer 21HK$12,043 HKD
Retailer 8HK$12,435 HKD
Retailer 14HK$13,551 HKD
Retailer 22HK$13,730 HKD
Retailer 15HK$13,992 HKD
Retailer 12HK$15,349 HKD
Retailer 2HK$15,693 HKD
Brilliant EarthHK$19,693 HKD

37 data points across 23 retailers

23 retailersHK$3,444 HKD to HK$19,693 HKD

A
Cheapest Retailer
-
HK$3,444 HKD
$439 USD
A
Retailer 2
-
HK$3,852 HKD
$491 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,860 HKD
$492 USD
View
Retailer 4
-
HK$4,268 HKD
$544 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$4,268 HKD
$544 USD
View
A
Retailer 6
-
HK$4,720 HKD
View
A
Retailer 7
-
HK$5,414 HKD
$690 USD
View
B+
Retailer 8
-
HK$6,041 HKD
$770 USD
View
B+
Retailer 9
-
HK$6,457 HKD
$823 USD
View
B+
Retailer 10
-
HK$6,708 HKD
$855 USD
View
B+
Retailer 11
-
HK$6,772 HKD
€822 EUR
View
B+
Retailer 12
-
HK$7,056 HKD
£708 GBP
View
B+
Retailer 13
-
HK$7,340 HKD
ZAR 15,114 ZAR
View
B+
Retailer 14
-
HK$10,408 HKD
A$2,041 AUD
View
B
Retailer 15
-
HK$11,478 HKD
$1,463 USD
View
B+
Retailer 16
-
HK$12,043 HKD
$1,535 USD
View
B
Retailer 17
-
HK$12,435 HKD
£1,248 GBP
View
B
Retailer 18
-
HK$13,551 HKD
SGD 2,334 SGD
View
B
Retailer 19
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HK$13,730 HKD
$1,750 USD
View
B
Retailer 20
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HK$13,992 HKD
$1,783 USD
View
B
Retailer 21
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HK$15,349 HKD
$1,956 USD
View
B
Retailer 22
-
HK$15,693 HKD
£1,575 GBP
View
Most Expensive
B
Brilliant Earth
19056600A · Oct 31
HK$19,693 HKD
$2,510 USD
View
22 more retailers have this diamond
Prices start from HK$3,444 HKDSave up to HK$16,248 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