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Cushion|Lab Grown|IGI

0.73ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG510163951

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

Certificate IGI LG510163951

Diamond specifications and retailer prices

From €252 EUR
$282 USD
As of October 30, 2026
Save €826 EUR (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,079 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 0.73ct lab-grown cushion diamond

This 0.73ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510163951 or 510163951. Listed at 4 retailers as of October 25, 2026, with prices from €252 to €1,079, a €826 spread on the same certified stone. MOH London lists it at €1,079. 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

0.73
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510163951
Dimensions5.30 × 5.14 × 3.43 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
5.30 mm5.14 mm0.73 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510163951
Side View
Table 60.5%Crown 35.5°Girdle: MED-VTKPavilion 38.8°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
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: €1,079 EUR|Low: €230 EUR|High: €1,090 EUR|Avg: €559 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3€252 EUR
Retailer 2€261 EUR
Retailer 4€342 EUR
Retailer 5€555 EUR
Retailer 6€716 EUR
Retailer 7€716 EUR
MOH London€1,079 EUR

35 data points across 7 retailers

4 retailers€252 EUR to €1,079 EUR

A
Cheapest Retailer
-
€252 EUR
$282 USD
A
Retailer 2
-
€261 EUR
£229 GBP
View
B+
Retailer 3
-
€342 EUR
$382 USD
View
Most Expensive
B
MOH London
LG510163951 · Oct 25
€1,079 EUR
£949 GBP
View
3 more retailers have this diamond
Prices start from €252 EURSave up to €826 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
0.73ct Cushion
€252 EUR