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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 €191 EUR
$213 USD
As of November 1, 2026
Save €1,447 EUR (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,638 EUR 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 €191 to €1,638, a €1,447 spread on the same certified stone. Do Amore Diamonds lists it at €1,638. 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: €934 EUR|Low: €191 EUR|High: €1,566 EUR|Avg: €671 EUR|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8€191 EUR
Retailer 7€211 EUR
Retailer 4€377 EUR
Retailer 2€430 EUR
Retailer 9€512 EUR
Retailer 5€778 EUR
Retailer 6€922 EUR
Retailer 1€934 EUR
Retailer 3€1,566 EUR

42 data points across 9 retailers

12 retailers€191 EUR to €1,638 EUR

A
Cheapest Retailer
-
€191 EUR
$213 USD
Final sale: no returns
Retailer 2
-
€211 EUR
$236 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€284 EUR
$317 USD
View
A
Retailer 4
-
€377 EUR
View
A
Retailer 5
-
€389 EUR
$435 USD
View
A
Retailer 6
-
€430 EUR
£379 GBP
View
A
Retailer 7
-
€512 EUR
$572 USD
View
B+
Retailer 8
-
€778 EUR
$869 USD
View
Retailer 9
-
€922 EUR
$1,030 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
€934 EUR
£822 GBP
View
B
Retailer 11
-
€1,566 EUR
$1,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-7B52CA9F4 · Oct 31
€1,638 EUR
$1,830 USD
View
11 more retailers have this diamond
Prices start from €191 EURSave up to €1,447 EUR

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
€191 EUR