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Cushion|Lab Grown|IGI

1.77ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG841678782

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841678782

Diamond specifications and retailer prices

From HK$4,776 HKD
£479 GBP
As of October 30, 2026
Save HK$24,410 HKD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$29,186 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.77ct lab-grown cushion diamond

This 1.77ct lab-grown cushion 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 LG841678782 or 841678782. Listed at 12 retailers as of October 30, 2026, with prices from HK$4,776 to HK$29,186, a HK$24,410 spread on the same certified stone. Do Amore Diamonds lists it at HK$29,186. 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 angle34.9°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678782
Dimensions9.09 × 5.98 × 4.18 mm
L/W Ratio1.52
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
9.09 mm5.98 mm1.77 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678782
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 69.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$29,186 HKD|Low: HK$4,766 HKD|High: HK$43,475 HKD|Avg: HK$17,999 HKD|-19.5%
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
October 31, 2026
Retailer 8HK$4,776 HKD
Retailer 11HK$5,884 HKD
Retailer 10HK$6,426 HKD
Retailer 2HK$7,027 HKD
Retailer 13HK$8,630 HKD
Retailer 9HK$10,485 HKD
Retailer 12HK$16,560 HKD
Retailer 4HK$20,509 HKD
Retailer 3HK$21,144 HKD
Retailer 5HK$22,564 HKD
Retailer 6HK$23,000 HKD
Retailer 7HK$26,048 HKD
Do Amore DiamondsHK$29,186 HKD

23 data points across 13 retailers

12 retailersHK$4,776 HKD to HK$29,186 HKD

A
Cheapest Retailer
-
HK$4,776 HKD
£479 GBP
A
Retailer 2
-
HK$5,884 HKD
$750 USD
View
A
Retailer 3
-
HK$6,426 HKD
$819 USD
View
A
Retailer 4
-
HK$7,027 HKD
€853 EUR
View
A
Retailer 5
-
HK$8,630 HKD
$1,100 USD
View
A
Retailer 6
-
HK$10,485 HKD
A$2,056 AUD
View
B+
Retailer 7
-
HK$16,560 HKD
£1,662 GBP
View
Retailer 8
-
HK$20,509 HKD
$2,614 USD
View
Price last confirmed 16 days ago
Retailer 9
-
HK$21,144 HKD
$2,695 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
HK$23,000 HKD
A$4,510 AUD
View
B+
Retailer 11
-
HK$26,048 HKD
$3,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-17A4E9947 · Oct 31
HK$29,186 HKD
$3,720 USD
View
11 more retailers have this diamond
Prices start from HK$4,776 HKDSave up to HK$24,410 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 Cushion
HK$4,776 HKD