Cushion|Lab Grown|IGI

1.70ct J SI1 Cushion Lab Grown Diamond

VG • J/SI1 • IGI LG436045072

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG436045072

Diamond specifications and retailer prices

From €1,262 EUR
$1,410 USD
As of November 1, 2026
Save €2,939 EUR (70%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €4,201 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.7ct lab-grown cushion diamond

This 1.7ct lab-grown cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG436045072 or 436045072. Listed at 5 retailers as of November 1, 2026, with prices from €1,262 to €4,201, a €2,939 spread on the same certified stone. MOH London lists it at €4,201. 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

1.70
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045072
Dimensions6.91 × 6.71 × 4.66 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.91 mm6.71 mm1.70 ctJ / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045072
Side View
Table 59.0%Crown 33.9°Girdle: STK-VTKPavilion 40.6°Culet: NoneDepth 69.4%

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: Nov 1
Current: €4,201 EUR|Low: €1,262 EUR|High: €4,258 EUR|Avg: €2,174 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4€1,262 EUR
Retailer 2€1,308 EUR
Retailer 5€1,463 EUR
Retailer 7€1,531 EUR
Retailer 6€1,817 EUR
Retailer 3€2,072 EUR
Retailer 8€3,745 EUR
MOH London€4,201 EUR

11 data points across 8 retailers

5 retailers€1,262 EUR to €4,201 EUR

A
Cheapest Retailer
-
€1,262 EUR
$1,410 USD
Final sale: no returns
Retailer 2
-
€1,308 EUR
$1,461 USD
View
Price last confirmed 20 days ago
B+
Retailer 3
-
€1,463 EUR
$1,635 USD
View
B+
Retailer 4
-
€2,072 EUR
$2,315 USD
View
Most Expensive
C
MOH London
LG436045072 · Nov 1
€4,201 EUR
£3,696 GBP
View
4 more retailers have this diamond
Prices start from €1,262 EURSave up to €2,939 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
1.70ct Cushion
€1,262 EUR