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Cushion|Lab Grown|IGI

1.60ct D SI1 Cushion Lab Grown Diamond

GD • D/SI1 • IGI LG566321975

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG566321975

Diamond specifications and retailer prices

From HK$4,488 HKD
$572 USD
As of October 30, 2026
Save HK$16,377 HKD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$20,865 HKD at MOH London · As of October 29, 2026
View at MOH London

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 standard cut grade and certified by IGI LG566321975 or 566321975. Listed at 8 retailers as of October 29, 2026, with prices from HK$4,488 to HK$20,865, a HK$16,377 spread on the same certified stone. MOH London lists it at HK$20,865. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.60
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566321975
Dimensions6.95 × 6.62 × 4.14 mm
L/W Ratio1.05
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
6.95 mm6.62 mm1.60 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566321975
Side View
Table 61.0%Crown 32.2°Girdle: MED-THKPavilion 34.9°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$20,865 HKD|Low: HK$3,209 HKD|High: HK$21,004 HKD|Avg: HK$8,335 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6HK$4,488 HKD
Retailer 8HK$5,100 HKD
Retailer 7HK$6,041 HKD
Retailer 2HK$7,241 HKD
Retailer 3HK$7,699 HKD
Retailer 5HK$7,720 HKD
Retailer 4HK$9,493 HKD
MOH LondonHK$20,865 HKD

41 data points across 8 retailers

8 retailersHK$4,488 HKD to HK$20,865 HKD

B+
Cheapest Retailer
-
HK$4,488 HKD
$572 USD
Final sale: no returns
B+
Retailer 2
-
HK$5,100 HKD
$650 USD
View
B
Retailer 3
-
HK$6,041 HKD
$770 USD
View
B
Retailer 4
-
HK$7,241 HKD
€879 EUR
View
B
Retailer 5
-
HK$7,699 HKD
£773 GBP
View
B
Retailer 6
-
HK$7,720 HKD
$984 USD
View
Retailer 7
-
HK$9,493 HKD
$1,210 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG566321975 · Oct 29
HK$20,865 HKD
£2,094 GBP
View
7 more retailers have this diamond
Prices start from HK$4,488 HKDSave up to HK$16,377 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.

B+
1.60ct Cushion
HK$4,488 HKD