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Marquise|Lab Grown|IGI

1.77ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG830627864

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830627864

Diamond specifications and retailer prices

From HK$12,844 HKD
$1,637 USD
As of November 2, 2026
Save HK$27,767 HKD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$40,611 HKD at With Clarity · As of November 2, 2026
View at With Clarity

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 LG830627864 or 830627864. Listed at 14 retailers as of November 2, 2026, with prices from HK$12,844 to HK$40,611, a HK$27,767 spread on the same certified stone. With Clarity lists it at HK$40,611. 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 angle36.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830627864
Dimensions12.24 × 6.29 × 4.06 mm
L/W Ratio1.95
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
12.24 mm6.29 mm1.77 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830627864
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.5%

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 2
Current: HK$15,388 HKD|Low: HK$12,844 HKD|High: HK$40,611 HKD|Avg: HK$23,887 HKD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 2, 2026
Retailer 10HK$12,844 HKD
Retailer 12HK$12,955 HKD
Retailer 1HK$15,388 HKD
Retailer 3HK$16,006 HKD
Retailer 8HK$17,021 HKD
Retailer 9HK$19,027 HKD
Retailer 7HK$19,501 HKD
Retailer 4HK$27,497 HKD
Retailer 11HK$30,710 HKD
Retailer 5HK$34,089 HKD
Retailer 6HK$36,689 HKD
Retailer 2HK$37,145 HKD
With ClarityHK$40,611 HKD

23 data points across 13 retailers

14 retailersHK$12,844 HKD to HK$40,611 HKD

A
Cheapest Retailer
-
HK$12,844 HKD
$1,637 USD
A
Retailer 2
-
HK$12,955 HKD
View
A
Retailer 3
-
HK$13,888 HKD
$1,770 USD
View
A
Retailer 4
-
HK$15,388 HKD
£1,544 GBP
View
B+
Retailer 5
-
HK$16,006 HKD
$2,040 USD
View
B+
Retailer 6
-
HK$17,021 HKD
€2,066 EUR
View
B+
Retailer 7
-
HK$19,027 HKD
$2,425 USD
View
B+
Retailer 8
-
HK$19,501 HKD
ZAR 40,152 ZAR
View
Retailer 9
-
HK$27,497 HKD
$3,505 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
HK$30,710 HKD
$3,914 USD
View
B
Retailer 11
-
HK$34,089 HKD
£3,421 GBP
View
B
Retailer 12
-
HK$36,689 HKD
A$7,194 AUD
View
B
Retailer 13
-
HK$37,145 HKD
$4,734 USD
View
Most Expensive
B
With Clarity
830627864 · Nov 2
HK$40,611 HKD
$5,176 USD
View
13 more retailers have this diamond
Prices start from HK$12,844 HKDSave up to HK$27,767 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$12,844 HKD