Marquise|Lab Grown|IGI

1.77ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG709531220

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG709531220

Diamond specifications and retailer prices

From HK$5,155 HKD
$657 USD
As of November 2, 2026
Save HK$40,588 HKD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$45,743 HKD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG709531220 or 709531220. Listed at 17 retailers as of November 1, 2026, with prices from HK$5,155 to HK$45,743, a HK$40,588 spread on the same certified stone. Do Amore Diamonds lists it at HK$45,743. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709531220
Dimensions12.08 × 6.19 × 4.04 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
12.08 mm6.19 mm1.77 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG709531220
Side View
Table 59.0%Crown 36.8°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 65.3%

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$45,743 HKD|Low: HK$5,053 HKD|High: HK$51,470 HKD|Avg: HK$17,607 HKD|-11.1%
Do Amore Diamonds
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
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Retailer 17
November 1, 2026
Retailer 14HK$5,155 HKD
Retailer 5HK$5,610 HKD
Retailer 9HK$6,575 HKD
Retailer 16HK$7,258 HKD
Retailer 6HK$7,375 HKD
Retailer 8HK$9,078 HKD
Retailer 15HK$9,745 HKD
Retailer 13HK$10,735 HKD
Retailer 17HK$15,269 HKD
Retailer 11HK$16,427 HKD
Retailer 4HK$17,660 HKD
Retailer 3HK$18,548 HKD
Retailer 7HK$19,811 HKD
Retailer 2HK$25,908 HKD
Retailer 12HK$28,481 HKD
Retailer 10HK$34,165 HKD
Do Amore DiamondsHK$45,743 HKD

31 data points across 17 retailers

17 retailersHK$5,155 HKD to HK$45,743 HKD

A
Cheapest Retailer
-
HK$5,155 HKD
$657 USD
A
Retailer 2
-
HK$5,610 HKD
$715 USD
View
A
Retailer 3
-
HK$6,575 HKD
$838 USD
View
Final sale: no returns
A
Retailer 4
-
HK$7,258 HKD
$925 USD
View
A
Retailer 5
-
HK$7,375 HKD
$940 USD
View
A
Retailer 6
-
HK$9,078 HKD
$1,157 USD
View
A
Retailer 7
-
HK$9,745 HKD
$1,242 USD
View
A
Retailer 8
-
HK$10,735 HKD
€1,303 EUR
View
B+
Retailer 9
-
HK$15,269 HKD
$1,946 USD
View
B+
Retailer 10
-
HK$16,427 HKD
A$3,221 AUD
View
B+
Retailer 11
-
HK$17,660 HKD
$2,251 USD
View
B+
Retailer 12
-
HK$18,548 HKD
$2,364 USD
View
Retailer 13
-
HK$19,811 HKD
$2,525 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
HK$25,908 HKD
£2,600 GBP
View
B+
Retailer 15
-
HK$28,481 HKD
$3,630 USD
View
B
Retailer 16
-
HK$34,165 HKD
A$6,699 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8AE58C5F7 · Nov 1
HK$45,743 HKD
$5,830 USD
View
16 more retailers have this diamond
Prices start from HK$5,155 HKDSave up to HK$40,588 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$5,155 HKD