CaratHunter
Plans
Cushion|Lab Grown|IGI

1.60ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG539232875

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG539232875

Diamond specifications and retailer prices

From €197 EUR
$220 USD
As of October 30, 2026
Save €1,092 EUR (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,289 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG539232875 or 539232875. Listed at 15 retailers as of October 30, 2026, with prices from €197 to €1,289, a €1,092 spread on the same certified stone. Brilliant Earth lists it at €1,289. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539232875
Dimensions7.90 × 5.95 × 3.93 mm
L/W Ratio1.33
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
7.90 mm5.95 mm1.60 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539232875
Side View
Table 60.0%Crown 38.6°Girdle: THK-VTKPavilion 31.2°Culet: NoneDepth 66.1%

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: Oct 30
Current: €1,289 EUR|Low: €197 EUR|High: €1,361 EUR|Avg: €560 EUR|-5.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 3€197 EUR
Retailer 11€218 EUR
Retailer 5€244 EUR
Retailer 9€295 EUR
Retailer 7€358 EUR
Retailer 6€400 EUR
Retailer 4€441 EUR
Retailer 12€519 EUR
Retailer 8€527 EUR
Retailer 10€935 EUR
Retailer 2€1,023 EUR
Brilliant Earth€1,289 EUR

44 data points across 12 retailers

15 retailers€197 EUR to €1,289 EUR

A
Cheapest Retailer
-
€197 EUR
$220 USD
Final sale: no returns
Retailer 2
-
€218 EUR
$244 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€244 EUR
£214 GBP
View
B+
Retailer 4
-
€295 EUR
$330 USD
View
A
Retailer 5
-
€358 EUR
View
A
Retailer 6
-
€400 EUR
£352 GBP
View
A
Retailer 7
-
€441 EUR
$493 USD
View
A
Retailer 8
-
€484 EUR
$541 USD
View
B+
Retailer 9
-
€519 EUR
$580 USD
View
A
Retailer 10
-
€527 EUR
$589 USD
View
B+
Retailer 11
-
€751 EUR
$839 USD
View
Retailer 12
-
€935 EUR
$1,045 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
€1,023 EUR
£900 GBP
View
B
Retailer 14
-
€1,060 EUR
$1,184 USD
View
Most Expensive
B
Brilliant Earth
10789185A · Oct 31
€1,289 EUR
$1,440 USD
View
14 more retailers have this diamond
Prices start from €197 EURSave up to €1,092 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
€197 EUR