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Cushion|Lab Grown|IGI

1.37ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG523282964

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

Certificate IGI LG523282964

Diamond specifications and retailer prices

From €158 EUR
$176 USD
As of October 30, 2026
Save €1,194 EUR (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,352 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.37ct lab-grown cushion diamond

This 1.37ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523282964 or 523282964. Listed at 12 retailers as of October 30, 2026, with prices from €158 to €1,352, a €1,194 spread on the same certified stone. Do Amore Diamonds lists it at €1,352. 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

1.37
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523282964
Dimensions6.59 × 6.38 × 4.30 mm
L/W Ratio1.03
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
6.59 mm6.38 mm1.37 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523282964
Side View
Table 60.5%Crown 33.2°Girdle: STK-THKPavilion 40°Culet: NoneDepth 67.4%

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: Oct 30
Current: €770 EUR|Low: €158 EUR|High: €1,423 EUR|Avg: €534 EUR|-45.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7€158 EUR
Retailer 9€235 EUR
Retailer 2€320 EUR
Retailer 3€345 EUR
Retailer 8€472 EUR
Retailer 6€744 EUR
Retailer 5€761 EUR
Retailer 1€770 EUR
Retailer 4€906 EUR

41 data points across 9 retailers

12 retailers€158 EUR to €1,352 EUR

A
Cheapest Retailer
-
€158 EUR
$176 USD
Final sale: no returns
B+
Retailer 2
-
€235 EUR
$263 USD
View
A
Retailer 3
-
€320 EUR
View
A
Retailer 4
-
€345 EUR
£303 GBP
View
A
Retailer 5
-
€388 EUR
$434 USD
View
B+
Retailer 6
-
€472 EUR
$527 USD
View
B+
Retailer 7
-
€680 EUR
$760 USD
View
B+
Retailer 8
-
€744 EUR
$831 USD
View
Retailer 9
-
€761 EUR
$850 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
€770 EUR
$860 USD
View
B
Retailer 11
-
€906 EUR
£797 GBP
View
Most Expensive
B
Do Amore Diamonds
27-735A00FF9 · Oct 31
€1,352 EUR
$1,510 USD
View
11 more retailers have this diamond
Prices start from €158 EURSave up to €1,194 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
1.37ct Cushion
€158 EUR