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Cushion|Lab Grown|IGI

1.60ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG487193650

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG487193650

Diamond specifications and retailer prices

From HK$1,671 HKD
$213 USD
As of November 1, 2026
Save HK$12,686 HKD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$14,358 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.6ct lab-grown cushion diamond

This 1.6ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487193650 or 487193650. Listed at 12 retailers as of October 31, 2026, with prices from HK$1,671 to HK$14,358, a HK$12,686 spread on the same certified stone. Do Amore Diamonds lists it at HK$14,358. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.60
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487193650
Dimensions6.81 × 6.77 × 4.57 mm
L/W Ratio1.01
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
6.81 mm6.77 mm1.60 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487193650
Side View
Table 60.5%Crown 33.9°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 67.5%

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 1
Current: HK$8,190 HKD|Low: HK$1,671 HKD|High: HK$13,730 HKD|Avg: HK$5,881 HKD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8HK$1,671 HKD
Retailer 7HK$1,852 HKD
Retailer 4HK$3,303 HKD
Retailer 2HK$3,772 HKD
Retailer 9HK$4,488 HKD
Retailer 5HK$6,821 HKD
Retailer 6HK$8,081 HKD
Retailer 1HK$8,190 HKD
Retailer 3HK$13,730 HKD

42 data points across 9 retailers

12 retailersHK$1,671 HKD to HK$14,358 HKD

A
Cheapest Retailer
-
HK$1,671 HKD
$213 USD
Final sale: no returns
Retailer 2
-
HK$1,852 HKD
$236 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
HK$2,487 HKD
$317 USD
View
A
Retailer 4
-
HK$3,303 HKD
€401 EUR
View
A
Retailer 5
-
HK$3,413 HKD
$435 USD
View
A
Retailer 6
-
HK$3,772 HKD
£379 GBP
View
A
Retailer 7
-
HK$4,488 HKD
$572 USD
View
B+
Retailer 8
-
HK$6,821 HKD
$869 USD
View
Retailer 9
-
HK$8,081 HKD
$1,030 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
HK$8,190 HKD
£822 GBP
View
B
Retailer 11
-
HK$13,730 HKD
$1,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-7B52CA9F4 · Oct 31
HK$14,358 HKD
$1,830 USD
View
11 more retailers have this diamond
Prices start from HK$1,671 HKDSave up to HK$12,686 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
1.60ct Cushion
HK$1,671 HKD