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Marquise|Lab Grown|IGI

1.77ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG762545100

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545100

Diamond specifications and retailer prices

From HK$9,525 HKD
$1,214 USD
As of November 2, 2026
Save HK$28,157 HKD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$37,683 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.77ct lab-grown marquise diamond

This 1.77ct 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 LG762545100 or 762545100. Listed at 16 retailers as of October 31, 2026, with prices from HK$9,525 to HK$37,683, a HK$28,157 spread on the same certified stone. Taylor and Hart lists it at HK$37,683. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545100
Dimensions12.67 × 6.33 × 3.93 mm
L/W Ratio2.00
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
12.67 mm6.33 mm1.77 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545100
Side View
Table 57.0%Crown 33.2°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 62.1%

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$19,519 HKD|Low: HK$9,525 HKD|High: HK$37,250 HKD|Avg: HK$21,564 HKD|+3.9%
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
November 3, 2026
Retailer 4HK$9,525 HKD
Retailer 3HK$11,251 HKD
Retailer 7HK$15,236 HKD
Retailer 14HK$15,443 HKD
Retailer 13HK$16,006 HKD
Retailer 6HK$16,041 HKD
Retailer 11HK$17,078 HKD
Retailer 1HK$19,519 HKD
Retailer 12HK$27,289 HKD
Retailer 5HK$27,497 HKD
Retailer 2HK$29,792 HKD
Retailer 10HK$30,521 HKD
Retailer 8HK$34,089 HKD
Retailer 9HK$36,745 HKD

44 data points across 14 retailers

16 retailersHK$9,525 HKD to HK$37,683 HKD

A
Cheapest Retailer
-
HK$9,525 HKD
$1,214 USD
A
Retailer 2
-
HK$11,251 HKD
$1,434 USD
View
A
Retailer 3
-
HK$13,558 HKD
View
A
Retailer 4
-
HK$15,236 HKD
£1,529 GBP
View
A
Retailer 5
-
HK$15,443 HKD
A$3,028 AUD
View
Retailer 6
-
HK$15,870 HKD
£1,593 GBP
View
Price last confirmed 18 days ago
B+
Retailer 7
-
HK$16,006 HKD
$2,040 USD
View
B+
Retailer 8
-
HK$17,078 HKD
€2,073 EUR
View
B+
Retailer 9
-
HK$19,519 HKD
ZAR 40,189 ZAR
View
B
Retailer 10
-
HK$27,289 HKD
$3,478 USD
View
Retailer 11
-
HK$27,497 HKD
$3,505 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
HK$29,792 HKD
$3,797 USD
View
B+
Retailer 13
-
HK$30,521 HKD
$3,890 USD
View
B
Retailer 14
-
HK$34,089 HKD
£3,421 GBP
View
B
Retailer 15
-
HK$36,745 HKD
A$7,205 AUD
View
Most Expensive
B
Taylor and Hart
5X4JO7U · Oct 31
HK$37,683 HKD
$4,803 USD
View
15 more retailers have this diamond
Prices start from HK$9,525 HKDSave up to HK$28,157 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
1.77ct Marquise
HK$9,525 HKD